Finding the Fourth Proportional to 123,296,233.05, 170,142,729.26 and 67,541,895.09
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Solution
The fourth proportional to 123,296,233.05, 170,142,729.26 and 67,541,895.09 is: 93,204,488.78
Step by Step Solution
- Step 1: Write the proportion equation
123,296,233.05 : 170,142,729.26 = 67,541,895.09 : x - Step 2: Convert to fraction form
123,296,233.05/170,142,729.26 = 67,541,895.09/x - Step 3: Cross multiply
123,296,233.05x = 170,142,729.26 × 67,541,895.09 - Step 4: Simplify right side
123,296,233.05x = 11,491,762,369,667,484 - Step 5: Solve for x
x = 11,491,762,369,667,484/123,296,233.05 - Step 6: Final answer
x = 93,204,488.78
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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.