Home / 109,655,128.20-164,482,692.30-92,436,439.80

Finding the Fourth Proportional to 109,655,128.20, 164,482,692.30 and 92,436,439.80

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Solution

The fourth proportional to 109,655,128.20, 164,482,692.30 and 92,436,439.80 is: 138,654,659.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,655,128.20 : 164,482,692.30 = 92,436,439.80 : x
  2. Step 2: Convert to fraction form
    109,655,128.20/164,482,692.30 = 92,436,439.80/x
  3. Step 3: Cross multiply
    109,655,128.20x = 164,482,692.30 × 92,436,439.80
  4. Step 4: Simplify right side
    109,655,128.20x = 15,204,194,484,930,874
  5. Step 5: Solve for x
    x = 15,204,194,484,930,874/109,655,128.20
  6. Step 6: Final answer
    x = 138,654,659.70

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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.