Home / 378,436,230.30-567,654,345.45-105,806,559.90

Finding the Fourth Proportional to 378,436,230.30, 567,654,345.45 and 105,806,559.90

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Solution

The fourth proportional to 378,436,230.30, 567,654,345.45 and 105,806,559.90 is: 158,709,839.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,436,230.30 : 567,654,345.45 = 105,806,559.90 : x
  2. Step 2: Convert to fraction form
    378,436,230.30/567,654,345.45 = 105,806,559.90/x
  3. Step 3: Cross multiply
    378,436,230.30x = 567,654,345.45 × 105,806,559.90
  4. Step 4: Simplify right side
    378,436,230.30x = 60,061,553,504,350,728
  5. Step 5: Solve for x
    x = 60,061,553,504,350,728/378,436,230.30
  6. Step 6: Final answer
    x = 158,709,839.85

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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.