Home / 80,231,395.24-120,394,902.30-29,117,398.24

Finding the Fourth Proportional to 80,231,395.24, 120,394,902.30 and 29,117,398.24

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Solution

The fourth proportional to 80,231,395.24, 120,394,902.30 and 29,117,398.24 is: 43,693,448.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,231,395.24 : 120,394,902.30 = 29,117,398.24 : x
  2. Step 2: Convert to fraction form
    80,231,395.24/120,394,902.30 = 29,117,398.24/x
  3. Step 3: Cross multiply
    80,231,395.24x = 120,394,902.30 × 29,117,398.24
  4. Step 4: Simplify right side
    80,231,395.24x = 3,505,586,316,334,991.50
  5. Step 5: Solve for x
    x = 3,505,586,316,334,991.50/80,231,395.24
  6. Step 6: Final answer
    x = 43,693,448.25

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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.