Home / 132,192,003.20-198,288,004.80-101,958,915.20

Finding the Fourth Proportional to 132,192,003.20, 198,288,004.80 and 101,958,915.20

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Solution

The fourth proportional to 132,192,003.20, 198,288,004.80 and 101,958,915.20 is: 152,938,372.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,192,003.20 : 198,288,004.80 = 101,958,915.20 : x
  2. Step 2: Convert to fraction form
    132,192,003.20/198,288,004.80 = 101,958,915.20/x
  3. Step 3: Cross multiply
    132,192,003.20x = 198,288,004.80 × 101,958,915.20
  4. Step 4: Simplify right side
    132,192,003.20x = 20,217,229,866,580,396
  5. Step 5: Solve for x
    x = 20,217,229,866,580,396/132,192,003.20
  6. Step 6: Final answer
    x = 152,938,372.80

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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.