Home / 57,568,987.20-79,445,011.60-31,463,497.92

Finding the Fourth Proportional to 57,568,987.20, 79,445,011.60 and 31,463,497.92

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Solution

The fourth proportional to 57,568,987.20, 79,445,011.60 and 31,463,497.92 is: 43,419,522.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,568,987.20 : 79,445,011.60 = 31,463,497.92 : x
  2. Step 2: Convert to fraction form
    57,568,987.20/79,445,011.60 = 31,463,497.92/x
  3. Step 3: Cross multiply
    57,568,987.20x = 79,445,011.60 × 31,463,497.92
  4. Step 4: Simplify right side
    57,568,987.20x = 2,499,617,957,230,976
  5. Step 5: Solve for x
    x = 2,499,617,957,230,976/57,568,987.20
  6. Step 6: Final answer
    x = 43,419,522.89

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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.