Home / 72,086,901.22-108,135,395.61-35,685,517.87

Finding the Fourth Proportional to 72,086,901.22, 108,135,395.61 and 35,685,517.87

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Solution

The fourth proportional to 72,086,901.22, 108,135,395.61 and 35,685,517.87 is: 53,530,773.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,086,901.22 : 108,135,395.61 = 35,685,517.87 : x
  2. Step 2: Convert to fraction form
    72,086,901.22/108,135,395.61 = 35,685,517.87/x
  3. Step 3: Cross multiply
    72,086,901.22x = 108,135,395.61 × 35,685,517.87
  4. Step 4: Simplify right side
    72,086,901.22x = 3,858,867,592,420,174
  5. Step 5: Solve for x
    x = 3,858,867,592,420,174/72,086,901.22
  6. Step 6: Final answer
    x = 53,530,773.65

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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.