Finding the Fourth Proportional to 84,227,232.62, 125,976,122.85 and 49,601,095.86
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Solution
The fourth proportional to 84,227,232.62, 125,976,122.85 and 49,601,095.86 is: 74,186,857.99
Step by Step Solution
- Step 1: Write the proportion equation
84,227,232.62 : 125,976,122.85 = 49,601,095.86 : x - Step 2: Convert to fraction form
84,227,232.62/125,976,122.85 = 49,601,095.86/x - Step 3: Cross multiply
84,227,232.62x = 125,976,122.85 × 49,601,095.86 - Step 4: Simplify right side
84,227,232.62x = 6,248,553,745,553,986 - Step 5: Solve for x
x = 6,248,553,745,553,986/84,227,232.62 - Step 6: Final answer
x = 74,186,857.99
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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.