Home / 57,576,290.28-86,379,561.24-20,691,904.29

Finding the Fourth Proportional to 57,576,290.28, 86,379,561.24 and 20,691,904.29

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Solution

The fourth proportional to 57,576,290.28, 86,379,561.24 and 20,691,904.29 is: 31,043,292.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,576,290.28 : 86,379,561.24 = 20,691,904.29 : x
  2. Step 2: Convert to fraction form
    57,576,290.28/86,379,561.24 = 20,691,904.29/x
  3. Step 3: Cross multiply
    57,576,290.28x = 86,379,561.24 × 20,691,904.29
  4. Step 4: Simplify right side
    57,576,290.28x = 1,787,357,613,790,273.50
  5. Step 5: Solve for x
    x = 1,787,357,613,790,273.50/57,576,290.28
  6. Step 6: Final answer
    x = 31,043,292.39

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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.