Minimum Fraction Product

Algebra Level 3

Given positive reals $a, b, c, d$ and $e$ , what is the minimum possible value of $\small (a + b + c + d + e) \left( \frac {1}{a} + \frac {4}{b} + \frac {9} {c} + \frac {16}{d} + \frac {25}{e} \right)?$