Home / 379,115,373.42-568,695,105.45-106,507,398.06

Finding the Fourth Proportional to 379,115,373.42, 568,695,105.45 and 106,507,398.06

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Solution

The fourth proportional to 379,115,373.42, 568,695,105.45 and 106,507,398.06 is: 159,767,290.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,115,373.42 : 568,695,105.45 = 106,507,398.06 : x
  2. Step 2: Convert to fraction form
    379,115,373.42/568,695,105.45 = 106,507,398.06/x
  3. Step 3: Cross multiply
    379,115,373.42x = 568,695,105.45 × 106,507,398.06
  4. Step 4: Simplify right side
    379,115,373.42x = 60,570,235,970,936,832
  5. Step 5: Solve for x
    x = 60,570,235,970,936,832/379,115,373.42
  6. Step 6: Final answer
    x = 159,767,290.43

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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.