Finding the Fourth Proportional to 66,125,732.04, 99,189,615.09 and 25,187,454
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Solution
The fourth proportional to 66,125,732.04, 99,189,615.09 and 25,187,454 is: 37,781,568.39
Step by Step Solution
- Step 1: Write the proportion equation
66,125,732.04 : 99,189,615.09 = 25,187,454 : x - Step 2: Convert to fraction form
66,125,732.04/99,189,615.09 = 25,187,454/x - Step 3: Cross multiply
66,125,732.04x = 99,189,615.09 × 25,187,454 - Step 4: Simplify right side
66,125,732.04x = 2,498,333,867,357,081 - Step 5: Solve for x
x = 2,498,333,867,357,081/66,125,732.04 - Step 6: Final answer
x = 37,781,568.39
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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.