Home / 71,883,768.10-107,715,932.06-42,680,099.20

Finding the Fourth Proportional to 71,883,768.10, 107,715,932.06 and 42,680,099.20

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Solution

The fourth proportional to 71,883,768.10, 107,715,932.06 and 42,680,099.20 is: 63,955,003.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,883,768.10 : 107,715,932.06 = 42,680,099.20 : x
  2. Step 2: Convert to fraction form
    71,883,768.10/107,715,932.06 = 42,680,099.20/x
  3. Step 3: Cross multiply
    71,883,768.10x = 107,715,932.06 × 42,680,099.20
  4. Step 4: Simplify right side
    71,883,768.10x = 4,597,326,665,741,261
  5. Step 5: Solve for x
    x = 4,597,326,665,741,261/71,883,768.10
  6. Step 6: Final answer
    x = 63,955,003.85

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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.