Home / 111,427,212.70-167,140,819.05-92,279,590.30

Finding the Fourth Proportional to 111,427,212.70, 167,140,819.05 and 92,279,590.30

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Solution

The fourth proportional to 111,427,212.70, 167,140,819.05 and 92,279,590.30 is: 138,419,385.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,427,212.70 : 167,140,819.05 = 92,279,590.30 : x
  2. Step 2: Convert to fraction form
    111,427,212.70/167,140,819.05 = 92,279,590.30/x
  3. Step 3: Cross multiply
    111,427,212.70x = 167,140,819.05 × 92,279,590.30
  4. Step 4: Simplify right side
    111,427,212.70x = 15,423,686,304,340,436
  5. Step 5: Solve for x
    x = 15,423,686,304,340,436/111,427,212.70
  6. Step 6: Final answer
    x = 138,419,385.45

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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.