Home / 73,218,736.20-109,871,649.90-27,785,123.40

Finding the Fourth Proportional to 73,218,736.20, 109,871,649.90 and 27,785,123.40

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Solution

The fourth proportional to 73,218,736.20, 109,871,649.90 and 27,785,123.40 is: 41,694,209.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,218,736.20 : 109,871,649.90 = 27,785,123.40 : x
  2. Step 2: Convert to fraction form
    73,218,736.20/109,871,649.90 = 27,785,123.40/x
  3. Step 3: Cross multiply
    73,218,736.20x = 109,871,649.90 × 27,785,123.40
  4. Step 4: Simplify right side
    73,218,736.20x = 3,052,797,350,633,097.50
  5. Step 5: Solve for x
    x = 3,052,797,350,633,097.50/73,218,736.20
  6. Step 6: Final answer
    x = 41,694,209.83

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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.