Finding the Fourth Proportional to 125,491,439.61, 173,182,387.09 and 69,739,209.87
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Solution
The fourth proportional to 125,491,439.61, 173,182,387.09 and 69,739,209.87 is: 96,242,443.92
Step by Step Solution
- Step 1: Write the proportion equation
125,491,439.61 : 173,182,387.09 = 69,739,209.87 : x - Step 2: Convert to fraction form
125,491,439.61/173,182,387.09 = 69,739,209.87/x - Step 3: Cross multiply
125,491,439.61x = 173,182,387.09 × 69,739,209.87 - Step 4: Simplify right side
125,491,439.61x = 12,077,602,839,057,090 - Step 5: Solve for x
x = 12,077,602,839,057,090/125,491,439.61 - Step 6: Final answer
x = 96,242,443.92
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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.