Finding the Fourth Proportional to 48,542,134.61, 66,988,143.17 and 26,215,118.76
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Solution
The fourth proportional to 48,542,134.61, 66,988,143.17 and 26,215,118.76 is: 36,176,862.49
Step by Step Solution
- Step 1: Write the proportion equation
48,542,134.61 : 66,988,143.17 = 26,215,118.76 : x - Step 2: Convert to fraction form
48,542,134.61/66,988,143.17 = 26,215,118.76/x - Step 3: Cross multiply
48,542,134.61x = 66,988,143.17 × 26,215,118.76 - Step 4: Simplify right side
48,542,134.61x = 1,756,102,128,582,357.25 - Step 5: Solve for x
x = 1,756,102,128,582,357.25/48,542,134.61 - Step 6: Final answer
x = 36,176,862.49
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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.