Home / 372,215,249.80-558,343,869.90-113,438,912.20

Finding the Fourth Proportional to 372,215,249.80, 558,343,869.90 and 113,438,912.20

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Solution

The fourth proportional to 372,215,249.80, 558,343,869.90 and 113,438,912.20 is: 170,164,766.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,215,249.80 : 558,343,869.90 = 113,438,912.20 : x
  2. Step 2: Convert to fraction form
    372,215,249.80/558,343,869.90 = 113,438,912.20/x
  3. Step 3: Cross multiply
    372,215,249.80x = 558,343,869.90 × 113,438,912.20
  4. Step 4: Simplify right side
    372,215,249.80x = 63,337,921,234,994,320
  5. Step 5: Solve for x
    x = 63,337,921,234,994,320/372,215,249.80
  6. Step 6: Final answer
    x = 170,164,766.94

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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.