Home / 67,940,647.38-101,810,194.05-49,901,571.54

Finding the Fourth Proportional to 67,940,647.38, 101,810,194.05 and 49,901,571.54

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Solution

The fourth proportional to 67,940,647.38, 101,810,194.05 and 49,901,571.54 is: 74,778,337.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,940,647.38 : 101,810,194.05 = 49,901,571.54 : x
  2. Step 2: Convert to fraction form
    67,940,647.38/101,810,194.05 = 49,901,571.54/x
  3. Step 3: Cross multiply
    67,940,647.38x = 101,810,194.05 × 49,901,571.54
  4. Step 4: Simplify right side
    67,940,647.38x = 5,080,488,681,887,357
  5. Step 5: Solve for x
    x = 5,080,488,681,887,357/67,940,647.38
  6. Step 6: Final answer
    x = 74,778,337.83

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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.