Finding the Fourth Proportional to 243,578,414.90, 365,367,622.35 and 114,438,251.90
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Solution
The fourth proportional to 243,578,414.90, 365,367,622.35 and 114,438,251.90 is: 171,657,377.85
Step by Step Solution
- Step 1: Write the proportion equation
243,578,414.90 : 365,367,622.35 = 114,438,251.90 : x - Step 2: Convert to fraction form
243,578,414.90/365,367,622.35 = 114,438,251.90/x - Step 3: Cross multiply
243,578,414.90x = 365,367,622.35 × 114,438,251.90 - Step 4: Simplify right side
243,578,414.90x = 41,812,032,002,593,376 - Step 5: Solve for x
x = 41,812,032,002,593,376/243,578,414.90 - Step 6: Final answer
x = 171,657,377.85
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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.