Home / 87,641,843.50-120,949,305.20-48,482,945.11

Finding the Fourth Proportional to 87,641,843.50, 120,949,305.20 and 48,482,945.11

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Solution

The fourth proportional to 87,641,843.50, 120,949,305.20 and 48,482,945.11 is: 66,908,434.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,641,843.50 : 120,949,305.20 = 48,482,945.11 : x
  2. Step 2: Convert to fraction form
    87,641,843.50/120,949,305.20 = 48,482,945.11/x
  3. Step 3: Cross multiply
    87,641,843.50x = 120,949,305.20 × 48,482,945.11
  4. Step 4: Simplify right side
    87,641,843.50x = 5,863,978,525,104,238
  5. Step 5: Solve for x
    x = 5,863,978,525,104,238/87,641,843.50
  6. Step 6: Final answer
    x = 66,908,434.27

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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.