Home / 215,629,820.20-323,224,280.70-106,286,818.60

Finding the Fourth Proportional to 215,629,820.20, 323,224,280.70 and 106,286,818.60

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Solution

The fourth proportional to 215,629,820.20, 323,224,280.70 and 106,286,818.60 is: 159,321,565.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,629,820.20 : 323,224,280.70 = 106,286,818.60 : x
  2. Step 2: Convert to fraction form
    215,629,820.20/323,224,280.70 = 106,286,818.60/x
  3. Step 3: Cross multiply
    215,629,820.20x = 323,224,280.70 × 106,286,818.60
  4. Step 4: Simplify right side
    215,629,820.20x = 34,354,480,489,876,376
  5. Step 5: Solve for x
    x = 34,354,480,489,876,376/215,629,820.20
  6. Step 6: Final answer
    x = 159,321,565.35

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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.