Home / 136,395,692.85-204,722,886.12-84,423,082.94

Finding the Fourth Proportional to 136,395,692.85, 204,722,886.12 and 84,423,082.94

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Solution

The fourth proportional to 136,395,692.85, 204,722,886.12 and 84,423,082.94 is: 126,714,684.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,395,692.85 : 204,722,886.12 = 84,423,082.94 : x
  2. Step 2: Convert to fraction form
    136,395,692.85/204,722,886.12 = 84,423,082.94/x
  3. Step 3: Cross multiply
    136,395,692.85x = 204,722,886.12 × 84,423,082.94
  4. Step 4: Simplify right side
    136,395,692.85x = 17,283,337,194,624,934
  5. Step 5: Solve for x
    x = 17,283,337,194,624,934/136,395,692.85
  6. Step 6: Final answer
    x = 126,714,684.56

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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.