Finding the Fourth Proportional to 331,745,932.08, 497,617,121.76 and 86,102,387.28
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Solution
The fourth proportional to 331,745,932.08, 497,617,121.76 and 86,102,387.28 is: 129,153,119.88
Step by Step Solution
- Step 1: Write the proportion equation
331,745,932.08 : 497,617,121.76 = 86,102,387.28 : x - Step 2: Convert to fraction form
331,745,932.08/497,617,121.76 = 86,102,387.28/x - Step 3: Cross multiply
331,745,932.08x = 497,617,121.76 × 86,102,387.28 - Step 4: Simplify right side
331,745,932.08x = 42,846,022,134,938,432 - Step 5: Solve for x
x = 42,846,022,134,938,432/331,745,932.08 - Step 6: Final answer
x = 129,153,119.88
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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.