Finding the Fourth Proportional to 329,147,151.30, 493,731,134.36 and 121,937,419.68
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Solution
The fourth proportional to 329,147,151.30, 493,731,134.36 and 121,937,419.68 is: 182,909,985.10
Step by Step Solution
- Step 1: Write the proportion equation
329,147,151.30 : 493,731,134.36 = 121,937,419.68 : x - Step 2: Convert to fraction form
329,147,151.30/493,731,134.36 = 121,937,419.68/x - Step 3: Cross multiply
329,147,151.30x = 493,731,134.36 × 121,937,419.68 - Step 4: Simplify right side
329,147,151.30x = 60,204,300,539,537,792 - Step 5: Solve for x
x = 60,204,300,539,537,792/329,147,151.30 - Step 6: Final answer
x = 182,909,985.10
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.