Home / 87,641,857.26-120,949,324.18-48,482,958.86

Finding the Fourth Proportional to 87,641,857.26, 120,949,324.18 and 48,482,958.86

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Solution

The fourth proportional to 87,641,857.26, 120,949,324.18 and 48,482,958.86 is: 66,908,453.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,641,857.26 : 120,949,324.18 = 48,482,958.86 : x
  2. Step 2: Convert to fraction form
    87,641,857.26/120,949,324.18 = 48,482,958.86/x
  3. Step 3: Cross multiply
    87,641,857.26x = 120,949,324.18 × 48,482,958.86
  4. Step 4: Simplify right side
    87,641,857.26x = 5,863,981,108,363,744
  5. Step 5: Solve for x
    x = 5,863,981,108,363,744/87,641,857.26
  6. Step 6: Final answer
    x = 66,908,453.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.