Home / 318,400,377.16-477,690,145.26-113,957,517.64

Finding the Fourth Proportional to 318,400,377.16, 477,690,145.26 and 113,957,517.64

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Solution

The fourth proportional to 318,400,377.16, 477,690,145.26 and 113,957,517.64 is: 170,968,337.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,400,377.16 : 477,690,145.26 = 113,957,517.64 : x
  2. Step 2: Convert to fraction form
    318,400,377.16/477,690,145.26 = 113,957,517.64/x
  3. Step 3: Cross multiply
    318,400,377.16x = 477,690,145.26 × 113,957,517.64
  4. Step 4: Simplify right side
    318,400,377.16x = 54,436,383,154,920,608
  5. Step 5: Solve for x
    x = 54,436,383,154,920,608/318,400,377.16
  6. Step 6: Final answer
    x = 170,968,337.54

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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.