Home / 66,691,593.56-100,151,872.59-40,935,139.44

Finding the Fourth Proportional to 66,691,593.56, 100,151,872.59 and 40,935,139.44

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Solution

The fourth proportional to 66,691,593.56, 100,151,872.59 and 40,935,139.44 is: 61,472,978.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,691,593.56 : 100,151,872.59 = 40,935,139.44 : x
  2. Step 2: Convert to fraction form
    66,691,593.56/100,151,872.59 = 40,935,139.44/x
  3. Step 3: Cross multiply
    66,691,593.56x = 100,151,872.59 × 40,935,139.44
  4. Step 4: Simplify right side
    66,691,593.56x = 4,099,730,869,648,764
  5. Step 5: Solve for x
    x = 4,099,730,869,648,764/66,691,593.56
  6. Step 6: Final answer
    x = 61,472,978.09

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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.