Finding the Fourth Proportional to 95,442,881.36, 131,726,135.40 and 56,288,961.68
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Solution
The fourth proportional to 95,442,881.36, 131,726,135.40 and 56,288,961.68 is: 77,687,589.50
Step by Step Solution
- Step 1: Write the proportion equation
95,442,881.36 : 131,726,135.40 = 56,288,961.68 : x - Step 2: Convert to fraction form
95,442,881.36/131,726,135.40 = 56,288,961.68/x - Step 3: Cross multiply
95,442,881.36x = 131,726,135.40 × 56,288,961.68 - Step 4: Simplify right side
95,442,881.36x = 7,414,727,387,785,092 - Step 5: Solve for x
x = 7,414,727,387,785,092/95,442,881.36 - Step 6: Final answer
x = 77,687,589.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.