Home / 80,231,394.24-120,394,900.80-29,117,397.24

Finding the Fourth Proportional to 80,231,394.24, 120,394,900.80 and 29,117,397.24

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Solution

The fourth proportional to 80,231,394.24, 120,394,900.80 and 29,117,397.24 is: 43,693,446.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,231,394.24 : 120,394,900.80 = 29,117,397.24 : x
  2. Step 2: Convert to fraction form
    80,231,394.24/120,394,900.80 = 29,117,397.24/x
  3. Step 3: Cross multiply
    80,231,394.24x = 120,394,900.80 × 29,117,397.24
  4. Step 4: Simplify right side
    80,231,394.24x = 3,505,586,152,263,993.50
  5. Step 5: Solve for x
    x = 3,505,586,152,263,993.50/80,231,394.24
  6. Step 6: Final answer
    x = 43,693,446.75

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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.