Finding the Fourth Proportional to 168,055,454.94, 231,917,539.62 and 93,720,715.08
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Solution
The fourth proportional to 168,055,454.94, 231,917,539.62 and 93,720,715.08 is: 129,335,151.07
Step by Step Solution
- Step 1: Write the proportion equation
168,055,454.94 : 231,917,539.62 = 93,720,715.08 : x - Step 2: Convert to fraction form
168,055,454.94/231,917,539.62 = 93,720,715.08/x - Step 3: Cross multiply
168,055,454.94x = 231,917,539.62 × 93,720,715.08 - Step 4: Simplify right side
168,055,454.94x = 21,735,477,652,780,632 - Step 5: Solve for x
x = 21,735,477,652,780,632/168,055,454.94 - Step 6: Final answer
x = 129,335,151.07
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.