Finding the Fourth Proportional to 78,213,714.99, 117,320,572.67 and 41,711,517.38
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Solution
The fourth proportional to 78,213,714.99, 117,320,572.67 and 41,711,517.38 is: 62,567,276.16
Step by Step Solution
- Step 1: Write the proportion equation
78,213,714.99 : 117,320,572.67 = 41,711,517.38 : x - Step 2: Convert to fraction form
78,213,714.99/117,320,572.67 = 41,711,517.38/x - Step 3: Cross multiply
78,213,714.99x = 117,320,572.67 × 41,711,517.38 - Step 4: Simplify right side
78,213,714.99x = 4,893,619,105,161,098 - Step 5: Solve for x
x = 4,893,619,105,161,098/78,213,714.99 - Step 6: Final answer
x = 62,567,276.16
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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.