Finding the Fourth Proportional to 87,807,423.17, 121,172,672.03 and 48,648,414.21
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Solution
The fourth proportional to 87,807,423.17, 121,172,672.03 and 48,648,414.21 is: 67,133,940.70
Step by Step Solution
- Step 1: Write the proportion equation
87,807,423.17 : 121,172,672.03 = 48,648,414.21 : x - Step 2: Convert to fraction form
87,807,423.17/121,172,672.03 = 48,648,414.21/x - Step 3: Cross multiply
87,807,423.17x = 121,172,672.03 × 48,648,414.21 - Step 4: Simplify right side
87,807,423.17x = 5,894,858,339,604,680 - Step 5: Solve for x
x = 5,894,858,339,604,680/87,807,423.17 - Step 6: Final answer
x = 67,133,940.70
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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.