Home / 321,083,121.77-443,131,464.95-179,992,449.01

Finding the Fourth Proportional to 321,083,121.77, 443,131,464.95 and 179,992,449.01

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Solution

The fourth proportional to 321,083,121.77, 443,131,464.95 and 179,992,449.01 is: 248,410,184.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,083,121.77 : 443,131,464.95 = 179,992,449.01 : x
  2. Step 2: Convert to fraction form
    321,083,121.77/443,131,464.95 = 179,992,449.01/x
  3. Step 3: Cross multiply
    321,083,121.77x = 443,131,464.95 × 179,992,449.01
  4. Step 4: Simplify right side
    321,083,121.77x = 79,760,317,606,623,856
  5. Step 5: Solve for x
    x = 79,760,317,606,623,856/321,083,121.77
  6. Step 6: Final answer
    x = 248,410,184.78

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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.