Home / 321,083,124.65-443,131,468.91-179,992,451.88

Finding the Fourth Proportional to 321,083,124.65, 443,131,468.91 and 179,992,451.88

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Solution

The fourth proportional to 321,083,124.65, 443,131,468.91 and 179,992,451.88 is: 248,410,188.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,083,124.65 : 443,131,468.91 = 179,992,451.88 : x
  2. Step 2: Convert to fraction form
    321,083,124.65/443,131,468.91 = 179,992,451.88/x
  3. Step 3: Cross multiply
    321,083,124.65x = 443,131,468.91 × 179,992,451.88
  4. Step 4: Simplify right side
    321,083,124.65x = 79,760,319,593,396,928
  5. Step 5: Solve for x
    x = 79,760,319,593,396,928/321,083,124.65
  6. Step 6: Final answer
    x = 248,410,188.74

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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.