Home / 299,344,910.80-449,479,260.60-163,296,014.80

Finding the Fourth Proportional to 299,344,910.80, 449,479,260.60 and 163,296,014.80

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Solution

The fourth proportional to 299,344,910.80, 449,479,260.60 and 163,296,014.80 is: 245,195,990.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,344,910.80 : 449,479,260.60 = 163,296,014.80 : x
  2. Step 2: Convert to fraction form
    299,344,910.80/449,479,260.60 = 163,296,014.80/x
  3. Step 3: Cross multiply
    299,344,910.80x = 449,479,260.60 × 163,296,014.80
  4. Step 4: Simplify right side
    299,344,910.80x = 73,398,171,991,230,672
  5. Step 5: Solve for x
    x = 73,398,171,991,230,672/299,344,910.80
  6. Step 6: Final answer
    x = 245,195,990.79

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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.