Home / 80,857,270.54-121,272,618.57-29,031,144.22

Finding the Fourth Proportional to 80,857,270.54, 121,272,618.57 and 29,031,144.22

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Solution

The fourth proportional to 80,857,270.54, 121,272,618.57 and 29,031,144.22 is: 43,541,945.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,857,270.54 : 121,272,618.57 = 29,031,144.22 : x
  2. Step 2: Convert to fraction form
    80,857,270.54/121,272,618.57 = 29,031,144.22/x
  3. Step 3: Cross multiply
    80,857,270.54x = 121,272,618.57 × 29,031,144.22
  4. Step 4: Simplify right side
    80,857,270.54x = 3,520,682,879,642,720
  5. Step 5: Solve for x
    x = 3,520,682,879,642,720/80,857,270.54
  6. Step 6: Final answer
    x = 43,541,945.65

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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.