Home / 299,382,814.20-449,074,221.30-169,940,407.80

Finding the Fourth Proportional to 299,382,814.20, 449,074,221.30 and 169,940,407.80

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Solution

The fourth proportional to 299,382,814.20, 449,074,221.30 and 169,940,407.80 is: 254,910,611.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,382,814.20 : 449,074,221.30 = 169,940,407.80 : x
  2. Step 2: Convert to fraction form
    299,382,814.20/449,074,221.30 = 169,940,407.80/x
  3. Step 3: Cross multiply
    299,382,814.20x = 449,074,221.30 × 169,940,407.80
  4. Step 4: Simplify right side
    299,382,814.20x = 76,315,856,300,189,456
  5. Step 5: Solve for x
    x = 76,315,856,300,189,456/299,382,814.20
  6. Step 6: Final answer
    x = 254,910,611.70

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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.