Home / 378,082,158.60-567,123,237.90-147,974,766.60

Finding the Fourth Proportional to 378,082,158.60, 567,123,237.90 and 147,974,766.60

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Solution

The fourth proportional to 378,082,158.60, 567,123,237.90 and 147,974,766.60 is: 221,962,149.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,082,158.60 : 567,123,237.90 = 147,974,766.60 : x
  2. Step 2: Convert to fraction form
    378,082,158.60/567,123,237.90 = 147,974,766.60/x
  3. Step 3: Cross multiply
    378,082,158.60x = 567,123,237.90 × 147,974,766.60
  4. Step 4: Simplify right side
    378,082,158.60x = 83,919,928,761,688,768
  5. Step 5: Solve for x
    x = 83,919,928,761,688,768/378,082,158.60
  6. Step 6: Final answer
    x = 221,962,149.90

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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.