Finding the Fourth Proportional to 103,468,403.70, 155,070,729.45 and 54,969,491.70
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Solution
The fourth proportional to 103,468,403.70, 155,070,729.45 and 54,969,491.70 is: 82,384,175.95
Step by Step Solution
- Step 1: Write the proportion equation
103,468,403.70 : 155,070,729.45 = 54,969,491.70 : x - Step 2: Convert to fraction form
103,468,403.70/155,070,729.45 = 54,969,491.70/x - Step 3: Cross multiply
103,468,403.70x = 155,070,729.45 × 54,969,491.70 - Step 4: Simplify right side
103,468,403.70x = 8,524,159,175,414,720 - Step 5: Solve for x
x = 8,524,159,175,414,720/103,468,403.70 - Step 6: Final answer
x = 82,384,175.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.