Home / 57,661,669.97-79,572,040.76-31,555,664.20

Finding the Fourth Proportional to 57,661,669.97, 79,572,040.76 and 31,555,664.20

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Solution

The fourth proportional to 57,661,669.97, 79,572,040.76 and 31,555,664.20 is: 43,546,234.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,661,669.97 : 79,572,040.76 = 31,555,664.20 : x
  2. Step 2: Convert to fraction form
    57,661,669.97/79,572,040.76 = 31,555,664.20/x
  3. Step 3: Cross multiply
    57,661,669.97x = 79,572,040.76 × 31,555,664.20
  4. Step 4: Simplify right side
    57,661,669.97x = 2,510,948,597,375,634
  5. Step 5: Solve for x
    x = 2,510,948,597,375,634/57,661,669.97
  6. Step 6: Final answer
    x = 43,546,234.42

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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.