Finding the Fourth Proportional to 61,241,028.70, 91,861,543.05 and 54,066,575.20
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Solution
The fourth proportional to 61,241,028.70, 91,861,543.05 and 54,066,575.20 is: 81,099,862.80
Step by Step Solution
- Step 1: Write the proportion equation
61,241,028.70 : 91,861,543.05 = 54,066,575.20 : x - Step 2: Convert to fraction form
61,241,028.70/91,861,543.05 = 54,066,575.20/x - Step 3: Cross multiply
61,241,028.70x = 91,861,543.05 × 54,066,575.20 - Step 4: Simplify right side
61,241,028.70x = 4,966,639,025,300,862 - Step 5: Solve for x
x = 4,966,639,025,300,862/61,241,028.70 - Step 6: Final answer
x = 81,099,862.80
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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.