Home / 95,160,902.10-142,581,920.85-81,449,724.30

Finding the Fourth Proportional to 95,160,902.10, 142,581,920.85 and 81,449,724.30

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Solution

The fourth proportional to 95,160,902.10, 142,581,920.85 and 81,449,724.30 is: 122,038,125.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,160,902.10 : 142,581,920.85 = 81,449,724.30 : x
  2. Step 2: Convert to fraction form
    95,160,902.10/142,581,920.85 = 81,449,724.30/x
  3. Step 3: Cross multiply
    95,160,902.10x = 142,581,920.85 × 81,449,724.30
  4. Step 4: Simplify right side
    95,160,902.10x = 11,613,258,143,396,920
  5. Step 5: Solve for x
    x = 11,613,258,143,396,920/95,160,902.10
  6. Step 6: Final answer
    x = 122,038,125.82

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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.