Home / 52,079,552.88-78,108,650.28-19,720,295.28

Finding the Fourth Proportional to 52,079,552.88, 78,108,650.28 and 19,720,295.28

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Solution

The fourth proportional to 52,079,552.88, 78,108,650.28 and 19,720,295.28 is: 29,576,399.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,079,552.88 : 78,108,650.28 = 19,720,295.28 : x
  2. Step 2: Convert to fraction form
    52,079,552.88/78,108,650.28 = 19,720,295.28/x
  3. Step 3: Cross multiply
    52,079,552.88x = 78,108,650.28 × 19,720,295.28
  4. Step 4: Simplify right side
    52,079,552.88x = 1,540,325,647,443,854.75
  5. Step 5: Solve for x
    x = 1,540,325,647,443,854.75/52,079,552.88
  6. Step 6: Final answer
    x = 29,576,399.23

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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.