Home / 70,897,100.10-106,345,650.15-60,693,432.90

Finding the Fourth Proportional to 70,897,100.10, 106,345,650.15 and 60,693,432.90

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Solution

The fourth proportional to 70,897,100.10, 106,345,650.15 and 60,693,432.90 is: 91,040,149.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,897,100.10 : 106,345,650.15 = 60,693,432.90 : x
  2. Step 2: Convert to fraction form
    70,897,100.10/106,345,650.15 = 60,693,432.90/x
  3. Step 3: Cross multiply
    70,897,100.10x = 106,345,650.15 × 60,693,432.90
  4. Step 4: Simplify right side
    70,897,100.10x = 6,454,482,581,585,900
  5. Step 5: Solve for x
    x = 6,454,482,581,585,900/70,897,100.10
  6. Step 6: Final answer
    x = 91,040,149.35

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1.5x scale

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.