Home / 321,372,205.70-443,498,503.19-180,274,703.36

Finding the Fourth Proportional to 321,372,205.70, 443,498,503.19 and 180,274,703.36

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Solution

The fourth proportional to 321,372,205.70, 443,498,503.19 and 180,274,703.36 is: 248,781,816.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,372,205.70 : 443,498,503.19 = 180,274,703.36 : x
  2. Step 2: Convert to fraction form
    321,372,205.70/443,498,503.19 = 180,274,703.36/x
  3. Step 3: Cross multiply
    321,372,205.70x = 443,498,503.19 × 180,274,703.36
  4. Step 4: Simplify right side
    321,372,205.70x = 79,951,561,100,062,400
  5. Step 5: Solve for x
    x = 79,951,561,100,062,400/321,372,205.70
  6. Step 6: Final answer
    x = 248,781,816.48

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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.