Home / 218,223,507.21-327,378,382.97-80,050,397.24

Finding the Fourth Proportional to 218,223,507.21, 327,378,382.97 and 80,050,397.24

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Solution

The fourth proportional to 218,223,507.21, 327,378,382.97 and 80,050,397.24 is: 120,091,414.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,223,507.21 : 327,378,382.97 = 80,050,397.24 : x
  2. Step 2: Convert to fraction form
    218,223,507.21/327,378,382.97 = 80,050,397.24/x
  3. Step 3: Cross multiply
    218,223,507.21x = 327,378,382.97 × 80,050,397.24
  4. Step 4: Simplify right side
    218,223,507.21x = 26,206,769,602,500,204
  5. Step 5: Solve for x
    x = 26,206,769,602,500,204/218,223,507.21
  6. Step 6: Final answer
    x = 120,091,414.25

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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.