Finding the Fourth Proportional to 88,036,351.68, 121,405,734.72 and 56,642,358.72
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Solution
The fourth proportional to 88,036,351.68, 121,405,734.72 and 56,642,358.72 is: 78,112,132.61
Step by Step Solution
- Step 1: Write the proportion equation
88,036,351.68 : 121,405,734.72 = 56,642,358.72 : x - Step 2: Convert to fraction form
88,036,351.68/121,405,734.72 = 56,642,358.72/x - Step 3: Cross multiply
88,036,351.68x = 121,405,734.72 × 56,642,358.72 - Step 4: Simplify right side
88,036,351.68x = 6,876,707,176,675,399 - Step 5: Solve for x
x = 6,876,707,176,675,399/88,036,351.68 - Step 6: Final answer
x = 78,112,132.61
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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.