Home / 86,204,348.10-129,306,522.15-45,247,961.70

Finding the Fourth Proportional to 86,204,348.10, 129,306,522.15 and 45,247,961.70

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Solution

The fourth proportional to 86,204,348.10, 129,306,522.15 and 45,247,961.70 is: 67,871,942.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,204,348.10 : 129,306,522.15 = 45,247,961.70 : x
  2. Step 2: Convert to fraction form
    86,204,348.10/129,306,522.15 = 45,247,961.70/x
  3. Step 3: Cross multiply
    86,204,348.10x = 129,306,522.15 × 45,247,961.70
  4. Step 4: Simplify right side
    86,204,348.10x = 5,850,856,561,803,402
  5. Step 5: Solve for x
    x = 5,850,856,561,803,402/86,204,348.10
  6. Step 6: Final answer
    x = 67,871,942.55

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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.