Home / 321,083,126.15-443,131,470.98-179,992,453.38

Finding the Fourth Proportional to 321,083,126.15, 443,131,470.98 and 179,992,453.38

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Solution

The fourth proportional to 321,083,126.15, 443,131,470.98 and 179,992,453.38 is: 248,410,190.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,083,126.15 : 443,131,470.98 = 179,992,453.38 : x
  2. Step 2: Convert to fraction form
    321,083,126.15/443,131,470.98 = 179,992,453.38/x
  3. Step 3: Cross multiply
    321,083,126.15x = 443,131,470.98 × 179,992,453.38
  4. Step 4: Simplify right side
    321,083,126.15x = 79,760,320,630,678,512
  5. Step 5: Solve for x
    x = 79,760,320,630,678,512/321,083,126.15
  6. Step 6: Final answer
    x = 248,410,190.81

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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.