Home / 56,154,448.80-84,231,673.20-15,764,932.80

Finding the Fourth Proportional to 56,154,448.80, 84,231,673.20 and 15,764,932.80

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Solution

The fourth proportional to 56,154,448.80, 84,231,673.20 and 15,764,932.80 is: 23,647,399.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,154,448.80 : 84,231,673.20 = 15,764,932.80 : x
  2. Step 2: Convert to fraction form
    56,154,448.80/84,231,673.20 = 15,764,932.80/x
  3. Step 3: Cross multiply
    56,154,448.80x = 84,231,673.20 × 15,764,932.80
  4. Step 4: Simplify right side
    56,154,448.80x = 1,327,906,667,629,561
  5. Step 5: Solve for x
    x = 1,327,906,667,629,561/56,154,448.80
  6. Step 6: Final answer
    x = 23,647,399.20

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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.