Home / 80,693,016.72-111,351,825-45,894,172.56

Finding the Fourth Proportional to 80,693,016.72, 111,351,825 and 45,894,172.56

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Solution

The fourth proportional to 80,693,016.72, 111,351,825 and 45,894,172.56 is: 63,331,377.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,693,016.72 : 111,351,825 = 45,894,172.56 : x
  2. Step 2: Convert to fraction form
    80,693,016.72/111,351,825 = 45,894,172.56/x
  3. Step 3: Cross multiply
    80,693,016.72x = 111,351,825 × 45,894,172.56
  4. Step 4: Simplify right side
    80,693,016.72x = 5,110,399,871,420,922
  5. Step 5: Solve for x
    x = 5,110,399,871,420,922/80,693,016.72
  6. Step 6: Final answer
    x = 63,331,377.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.