Finding the Fourth Proportional to 173,541,983.88, 239,028,205.86 and 129,347,350.32
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Solution
The fourth proportional to 173,541,983.88, 239,028,205.86 and 129,347,350.32 is: 178,156,688.02
Step by Step Solution
- Step 1: Write the proportion equation
173,541,983.88 : 239,028,205.86 = 129,347,350.32 : x - Step 2: Convert to fraction form
173,541,983.88/239,028,205.86 = 129,347,350.32/x - Step 3: Cross multiply
173,541,983.88x = 239,028,205.86 × 129,347,350.32 - Step 4: Simplify right side
173,541,983.88x = 30,917,665,079,734,496 - Step 5: Solve for x
x = 30,917,665,079,734,496/173,541,983.88 - Step 6: Final answer
x = 178,156,688.02
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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.