Home / 67,691,112.78-101,594,647.92-67,181,593.72

Finding the Fourth Proportional to 67,691,112.78, 101,594,647.92 and 67,181,593.72

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Solution

The fourth proportional to 67,691,112.78, 101,594,647.92 and 67,181,593.72 is: 100,829,932.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,691,112.78 : 101,594,647.92 = 67,181,593.72 : x
  2. Step 2: Convert to fraction form
    67,691,112.78/101,594,647.92 = 67,181,593.72/x
  3. Step 3: Cross multiply
    67,691,112.78x = 101,594,647.92 × 67,181,593.72
  4. Step 4: Simplify right side
    67,691,112.78x = 6,825,290,360,687,883
  5. Step 5: Solve for x
    x = 6,825,290,360,687,883/67,691,112.78
  6. Step 6: Final answer
    x = 100,829,932.92

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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.