Home / 378,082,107.10-567,123,160.65-147,974,715.10

Finding the Fourth Proportional to 378,082,107.10, 567,123,160.65 and 147,974,715.10

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Solution

The fourth proportional to 378,082,107.10, 567,123,160.65 and 147,974,715.10 is: 221,962,072.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,082,107.10 : 567,123,160.65 = 147,974,715.10 : x
  2. Step 2: Convert to fraction form
    378,082,107.10/567,123,160.65 = 147,974,715.10/x
  3. Step 3: Cross multiply
    378,082,107.10x = 567,123,160.65 × 147,974,715.10
  4. Step 4: Simplify right side
    378,082,107.10x = 83,919,888,123,795,280
  5. Step 5: Solve for x
    x = 83,919,888,123,795,280/378,082,107.10
  6. Step 6: Final answer
    x = 221,962,072.65

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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.