Finding the Fourth Proportional to 75,276,882.23, 103,882,397.56 and 42,234,974.01
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Solution
The fourth proportional to 75,276,882.23, 103,882,397.56 and 42,234,974.01 is: 58,284,432.50
Step by Step Solution
- Step 1: Write the proportion equation
75,276,882.23 : 103,882,397.56 = 42,234,974.01 : x - Step 2: Convert to fraction form
75,276,882.23/103,882,397.56 = 42,234,974.01/x - Step 3: Cross multiply
75,276,882.23x = 103,882,397.56 × 42,234,974.01 - Step 4: Simplify right side
75,276,882.23x = 4,387,470,360,937,500 - Step 5: Solve for x
x = 4,387,470,360,937,500/75,276,882.23 - Step 6: Final answer
x = 58,284,432.50
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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.