Home / 129,037,062,032.80-193,555,593,049.20-102,915,674,000.80

Finding the Fourth Proportional to 129,037,062,032.80, 193,555,593,049.20 and 102,915,674,000.80

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Solution

The fourth proportional to 129,037,062,032.80, 193,555,593,049.20 and 102,915,674,000.80 is: 154,373,511,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,037,062,032.80 : 193,555,593,049.20 = 102,915,674,000.80 : x
  2. Step 2: Convert to fraction form
    129,037,062,032.80/193,555,593,049.20 = 102,915,674,000.80/x
  3. Step 3: Cross multiply
    129,037,062,032.80x = 193,555,593,049.20 × 102,915,674,000.80
  4. Step 4: Simplify right side
    129,037,062,032.80x = 19,919,904,315,282,978,504,704
  5. Step 5: Solve for x
    x = 19,919,904,315,282,978,504,704/129,037,062,032.80
  6. Step 6: Final answer
    x = 154,373,511,001.20

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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.