Home / 378,082,209.10-567,123,313.65-147,974,817.10

Finding the Fourth Proportional to 378,082,209.10, 567,123,313.65 and 147,974,817.10

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Solution

The fourth proportional to 378,082,209.10, 567,123,313.65 and 147,974,817.10 is: 221,962,225.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,082,209.10 : 567,123,313.65 = 147,974,817.10 : x
  2. Step 2: Convert to fraction form
    378,082,209.10/567,123,313.65 = 147,974,817.10/x
  3. Step 3: Cross multiply
    378,082,209.10x = 567,123,313.65 × 147,974,817.10
  4. Step 4: Simplify right side
    378,082,209.10x = 83,919,968,610,504,672
  5. Step 5: Solve for x
    x = 83,919,968,610,504,672/378,082,209.10
  6. Step 6: Final answer
    x = 221,962,225.65

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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.