Finding the Fourth Proportional to 112,486,543.11, 155,231,657.37 and 62,927,744.42
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Solution
The fourth proportional to 112,486,543.11, 155,231,657.37 and 62,927,744.42 is: 86,840,414.78
Step by Step Solution
- Step 1: Write the proportion equation
112,486,543.11 : 155,231,657.37 = 62,927,744.42 : x - Step 2: Convert to fraction form
112,486,543.11/155,231,657.37 = 62,927,744.42/x - Step 3: Cross multiply
112,486,543.11x = 155,231,657.37 × 62,927,744.42 - Step 4: Simplify right side
112,486,543.11x = 9,768,378,060,945,810 - Step 5: Solve for x
x = 9,768,378,060,945,810/112,486,543.11 - Step 6: Final answer
x = 86,840,414.78
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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.