Finding the Fourth Proportional to 51,555,562.53, 71,129,264.40 and 29,226,154.47
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Solution
The fourth proportional to 51,555,562.53, 71,129,264.40 and 29,226,154.47 is: 40,322,222.60
Step by Step Solution
- Step 1: Write the proportion equation
51,555,562.53 : 71,129,264.40 = 29,226,154.47 : x - Step 2: Convert to fraction form
51,555,562.53/71,129,264.40 = 29,226,154.47/x - Step 3: Cross multiply
51,555,562.53x = 71,129,264.40 × 29,226,154.47 - Step 4: Simplify right side
51,555,562.53x = 2,078,834,868,691,872 - Step 5: Solve for x
x = 2,078,834,868,691,872/51,555,562.53 - Step 6: Final answer
x = 40,322,222.60
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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.