Finding the Fourth Proportional to 242,557,934.10, 363,836,901.15 and 133,340,903.70
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Solution
The fourth proportional to 242,557,934.10, 363,836,901.15 and 133,340,903.70 is: 200,011,355.55
Step by Step Solution
- Step 1: Write the proportion equation
242,557,934.10 : 363,836,901.15 = 133,340,903.70 : x - Step 2: Convert to fraction form
242,557,934.10/363,836,901.15 = 133,340,903.70/x - Step 3: Cross multiply
242,557,934.10x = 363,836,901.15 × 133,340,903.70 - Step 4: Simplify right side
242,557,934.10x = 48,514,341,198,748,568 - Step 5: Solve for x
x = 48,514,341,198,748,568/242,557,934.10 - Step 6: Final answer
x = 200,011,355.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.