Home / 267,067,939.80-400,601,909.70-198,193,186.20

Finding the Fourth Proportional to 267,067,939.80, 400,601,909.70 and 198,193,186.20

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Solution

The fourth proportional to 267,067,939.80, 400,601,909.70 and 198,193,186.20 is: 297,289,779.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,067,939.80 : 400,601,909.70 = 198,193,186.20 : x
  2. Step 2: Convert to fraction form
    267,067,939.80/400,601,909.70 = 198,193,186.20/x
  3. Step 3: Cross multiply
    267,067,939.80x = 400,601,909.70 × 198,193,186.20
  4. Step 4: Simplify right side
    267,067,939.80x = 79,396,568,881,247,680
  5. Step 5: Solve for x
    x = 79,396,568,881,247,680/267,067,939.80
  6. Step 6: Final answer
    x = 297,289,779.30

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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.