Home / 80,629,863.50-111,278,657.99-45,827,785.31

Finding the Fourth Proportional to 80,629,863.50, 111,278,657.99 and 45,827,785.31

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Solution

The fourth proportional to 80,629,863.50, 111,278,657.99 and 45,827,785.31 is: 63,247,712.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,629,863.50 : 111,278,657.99 = 45,827,785.31 : x
  2. Step 2: Convert to fraction form
    80,629,863.50/111,278,657.99 = 45,827,785.31/x
  3. Step 3: Cross multiply
    80,629,863.50x = 111,278,657.99 × 45,827,785.31
  4. Step 4: Simplify right side
    80,629,863.50x = 5,099,654,447,950,636
  5. Step 5: Solve for x
    x = 5,099,654,447,950,636/80,629,863.50
  6. Step 6: Final answer
    x = 63,247,712.78

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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.