Home / 111,427,215.20-167,140,822.80-92,279,592.80

Finding the Fourth Proportional to 111,427,215.20, 167,140,822.80 and 92,279,592.80

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Solution

The fourth proportional to 111,427,215.20, 167,140,822.80 and 92,279,592.80 is: 138,419,389.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,427,215.20 : 167,140,822.80 = 92,279,592.80 : x
  2. Step 2: Convert to fraction form
    111,427,215.20/167,140,822.80 = 92,279,592.80/x
  3. Step 3: Cross multiply
    111,427,215.20x = 167,140,822.80 × 92,279,592.80
  4. Step 4: Simplify right side
    111,427,215.20x = 15,423,687,068,240,956
  5. Step 5: Solve for x
    x = 15,423,687,068,240,956/111,427,215.20
  6. Step 6: Final answer
    x = 138,419,389.20

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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.