por jota-r » Sexta Jun 30, 2017 1:34 pm
Olá.
D = N - V---->44.518,22 = 250000 - V---->V = 250000 - 44.518,22 = 205481,78
N = V*(1+i)^n
---->
250.000 = 205481,78*(1+0,04)^n
---->
250.000 = 205481,78*1,04^n
---->
250.000/205481,78 = 1,04^n
---->
1,21665 = 1,04^n
---->
n = log 1,21665/log 1,04
---->
n = 5 meses---->resposta
Um abraço