Home / 57,576,301.54-86,379,578.10-20,691,915.52

Finding the Fourth Proportional to 57,576,301.54, 86,379,578.10 and 20,691,915.52

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Solution

The fourth proportional to 57,576,301.54, 86,379,578.10 and 20,691,915.52 is: 31,043,309.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,576,301.54 : 86,379,578.10 = 20,691,915.52 : x
  2. Step 2: Convert to fraction form
    57,576,301.54/86,379,578.10 = 20,691,915.52/x
  3. Step 3: Cross multiply
    57,576,301.54x = 86,379,578.10 × 20,691,915.52
  4. Step 4: Simplify right side
    57,576,301.54x = 1,787,358,932,698,442
  5. Step 5: Solve for x
    x = 1,787,358,932,698,442/57,576,301.54
  6. Step 6: Final answer
    x = 31,043,309.22

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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.