Home / 315,069,500.88-472,359,487.20-204,170,900.88

Finding the Fourth Proportional to 315,069,500.88, 472,359,487.20 and 204,170,900.88

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Solution

The fourth proportional to 315,069,500.88, 472,359,487.20 and 204,170,900.88 is: 306,097,739.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,069,500.88 : 472,359,487.20 = 204,170,900.88 : x
  2. Step 2: Convert to fraction form
    315,069,500.88/472,359,487.20 = 204,170,900.88/x
  3. Step 3: Cross multiply
    315,069,500.88x = 472,359,487.20 × 204,170,900.88
  4. Step 4: Simplify right side
    315,069,500.88x = 96,442,062,040,838,832
  5. Step 5: Solve for x
    x = 96,442,062,040,838,832/315,069,500.88
  6. Step 6: Final answer
    x = 306,097,739.61

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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.