Home / 378,082,179.60-567,123,269.40-147,974,787.60

Finding the Fourth Proportional to 378,082,179.60, 567,123,269.40 and 147,974,787.60

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Solution

The fourth proportional to 378,082,179.60, 567,123,269.40 and 147,974,787.60 is: 221,962,181.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,082,179.60 : 567,123,269.40 = 147,974,787.60 : x
  2. Step 2: Convert to fraction form
    378,082,179.60/567,123,269.40 = 147,974,787.60/x
  3. Step 3: Cross multiply
    378,082,179.60x = 567,123,269.40 × 147,974,787.60
  4. Step 4: Simplify right side
    378,082,179.60x = 83,919,945,332,482,576
  5. Step 5: Solve for x
    x = 83,919,945,332,482,576/378,082,179.60
  6. Step 6: Final answer
    x = 221,962,181.40

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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.