Home / 378,432,204.20-567,648,306.30-123,130,572.20

Finding the Fourth Proportional to 378,432,204.20, 567,648,306.30 and 123,130,572.20

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Solution

The fourth proportional to 378,432,204.20, 567,648,306.30 and 123,130,572.20 is: 184,695,858.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,432,204.20 : 567,648,306.30 = 123,130,572.20 : x
  2. Step 2: Convert to fraction form
    378,432,204.20/567,648,306.30 = 123,130,572.20/x
  3. Step 3: Cross multiply
    378,432,204.20x = 567,648,306.30 × 123,130,572.20
  4. Step 4: Simplify right side
    378,432,204.20x = 69,894,860,763,079,864
  5. Step 5: Solve for x
    x = 69,894,860,763,079,864/378,432,204.20
  6. Step 6: Final answer
    x = 184,695,858.30

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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.