Home / 51,120,801.80-76,653,209.10-20,794,401.80

Finding the Fourth Proportional to 51,120,801.80, 76,653,209.10 and 20,794,401.80

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Solution

The fourth proportional to 51,120,801.80, 76,653,209.10 and 20,794,401.80 is: 31,180,215.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,120,801.80 : 76,653,209.10 = 20,794,401.80 : x
  2. Step 2: Convert to fraction form
    51,120,801.80/76,653,209.10 = 20,794,401.80/x
  3. Step 3: Cross multiply
    51,120,801.80x = 76,653,209.10 × 20,794,401.80
  4. Step 4: Simplify right side
    51,120,801.80x = 1,593,957,629,284,816.25
  5. Step 5: Solve for x
    x = 1,593,957,629,284,816.25/51,120,801.80
  6. Step 6: Final answer
    x = 31,180,215.75

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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.