Home / 87,641,842.50-120,949,303.82-48,482,944.11

Finding the Fourth Proportional to 87,641,842.50, 120,949,303.82 and 48,482,944.11

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Solution

The fourth proportional to 87,641,842.50, 120,949,303.82 and 48,482,944.11 is: 66,908,432.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,641,842.50 : 120,949,303.82 = 48,482,944.11 : x
  2. Step 2: Convert to fraction form
    87,641,842.50/120,949,303.82 = 48,482,944.11/x
  3. Step 3: Cross multiply
    87,641,842.50x = 120,949,303.82 × 48,482,944.11
  4. Step 4: Simplify right side
    87,641,842.50x = 5,863,978,337,006,055
  5. Step 5: Solve for x
    x = 5,863,978,337,006,055/87,641,842.50
  6. Step 6: Final answer
    x = 66,908,432.89

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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.