Home / 321,103,163.76-443,134,523.40-179,976,969.36

Finding the Fourth Proportional to 321,103,163.76, 443,134,523.40 and 179,976,969.36

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Solution

The fourth proportional to 321,103,163.76, 443,134,523.40 and 179,976,969.36 is: 248,375,031.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,103,163.76 : 443,134,523.40 = 179,976,969.36 : x
  2. Step 2: Convert to fraction form
    321,103,163.76/443,134,523.40 = 179,976,969.36/x
  3. Step 3: Cross multiply
    321,103,163.76x = 443,134,523.40 × 179,976,969.36
  4. Step 4: Simplify right side
    321,103,163.76x = 79,754,008,540,320,000
  5. Step 5: Solve for x
    x = 79,754,008,540,320,000/321,103,163.76
  6. Step 6: Final answer
    x = 248,375,031.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.