Home / 80,174,847.76-110,641,593.38-43,505,418.76

Finding the Fourth Proportional to 80,174,847.76, 110,641,593.38 and 43,505,418.76

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Solution

The fourth proportional to 80,174,847.76, 110,641,593.38 and 43,505,418.76 is: 60,037,642.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,174,847.76 : 110,641,593.38 = 43,505,418.76 : x
  2. Step 2: Convert to fraction form
    80,174,847.76/110,641,593.38 = 43,505,418.76/x
  3. Step 3: Cross multiply
    80,174,847.76x = 110,641,593.38 × 43,505,418.76
  4. Step 4: Simplify right side
    80,174,847.76x = 4,813,508,851,776,413
  5. Step 5: Solve for x
    x = 4,813,508,851,776,413/80,174,847.76
  6. Step 6: Final answer
    x = 60,037,642.56

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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.