If the lengths of corresponding line segments of two similar figures are 3cm and 5cm respectively, and the perimeter of the smaller figure is 30cm, what is the perimeter of the larger figure?
如果两个位似图形的对应线段长分别为3cm和5cm，且较小图形的周长为30cm，则较大图形周长为多少．
<result>50</result>