Home / 71,883,768.68-107,715,932.92-42,680,099.76

Finding the Fourth Proportional to 71,883,768.68, 107,715,932.92 and 42,680,099.76

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Solution

The fourth proportional to 71,883,768.68, 107,715,932.92 and 42,680,099.76 is: 63,955,004.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,883,768.68 : 107,715,932.92 = 42,680,099.76 : x
  2. Step 2: Convert to fraction form
    71,883,768.68/107,715,932.92 = 42,680,099.76/x
  3. Step 3: Cross multiply
    71,883,768.68x = 107,715,932.92 × 42,680,099.76
  4. Step 4: Simplify right side
    71,883,768.68x = 4,597,326,762,767,068
  5. Step 5: Solve for x
    x = 4,597,326,762,767,068/71,883,768.68
  6. Step 6: Final answer
    x = 63,955,004.69

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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.