Home / 67,691,110.79-101,594,644.92-67,181,591.72

Finding the Fourth Proportional to 67,691,110.79, 101,594,644.92 and 67,181,591.72

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Solution

The fourth proportional to 67,691,110.79, 101,594,644.92 and 67,181,591.72 is: 100,829,929.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,691,110.79 : 101,594,644.92 = 67,181,591.72 : x
  2. Step 2: Convert to fraction form
    67,691,110.79/101,594,644.92 = 67,181,591.72/x
  3. Step 3: Cross multiply
    67,691,110.79x = 101,594,644.92 × 67,181,591.72
  4. Step 4: Simplify right side
    67,691,110.79x = 6,825,289,955,445,839
  5. Step 5: Solve for x
    x = 6,825,289,955,445,839/67,691,110.79
  6. Step 6: Final answer
    x = 100,829,929.90

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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.