Home / 247,948,305.60-371,976,261.88-75,420,635.04

Finding the Fourth Proportional to 247,948,305.60, 371,976,261.88 and 75,420,635.04

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Solution

The fourth proportional to 247,948,305.60, 371,976,261.88 and 75,420,635.04 is: 113,147,318.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,948,305.60 : 371,976,261.88 = 75,420,635.04 : x
  2. Step 2: Convert to fraction form
    247,948,305.60/371,976,261.88 = 75,420,635.04/x
  3. Step 3: Cross multiply
    247,948,305.60x = 371,976,261.88 × 75,420,635.04
  4. Step 4: Simplify right side
    247,948,305.60x = 28,054,685,890,794,948
  5. Step 5: Solve for x
    x = 28,054,685,890,794,948/247,948,305.60
  6. Step 6: Final answer
    x = 113,147,318.44

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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.