A ruler won't help you here

Geometry Level 3

Not drawn to scale

Not drawn to scale

You are given a nonrotated ellipse. This ellipse's foci are at (-4, 0) and (4, 0). What must be the value of \(d\), such that the length of the red line divided by the length of the orange line equals the length of the green line divided by the length of the yellow line? The yellow and orange lines are both perpendicular to \( x= -d \) and \(x = d\), respectively. Enter your answer as \(100d\).

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