Home / 71,260,432.40-106,890,648.60-61,056,765.20

Finding the Fourth Proportional to 71,260,432.40, 106,890,648.60 and 61,056,765.20

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Solution

The fourth proportional to 71,260,432.40, 106,890,648.60 and 61,056,765.20 is: 91,585,147.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,260,432.40 : 106,890,648.60 = 61,056,765.20 : x
  2. Step 2: Convert to fraction form
    71,260,432.40/106,890,648.60 = 61,056,765.20/x
  3. Step 3: Cross multiply
    71,260,432.40x = 106,890,648.60 × 61,056,765.20
  4. Step 4: Simplify right side
    71,260,432.40x = 6,526,397,233,645,909
  5. Step 5: Solve for x
    x = 6,526,397,233,645,909/71,260,432.40
  6. Step 6: Final answer
    x = 91,585,147.80

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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.