Home / 378,082,187.60-567,123,281.40-147,974,795.60

Finding the Fourth Proportional to 378,082,187.60, 567,123,281.40 and 147,974,795.60

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Solution

The fourth proportional to 378,082,187.60, 567,123,281.40 and 147,974,795.60 is: 221,962,193.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,082,187.60 : 567,123,281.40 = 147,974,795.60 : x
  2. Step 2: Convert to fraction form
    378,082,187.60/567,123,281.40 = 147,974,795.60/x
  3. Step 3: Cross multiply
    378,082,187.60x = 567,123,281.40 × 147,974,795.60
  4. Step 4: Simplify right side
    378,082,187.60x = 83,919,951,645,166,272
  5. Step 5: Solve for x
    x = 83,919,951,645,166,272/378,082,187.60
  6. Step 6: Final answer
    x = 221,962,193.40

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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.