Home / 168,438,688.20-252,658,032.30-40,787,872.20

Finding the Fourth Proportional to 168,438,688.20, 252,658,032.30 and 40,787,872.20

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Solution

The fourth proportional to 168,438,688.20, 252,658,032.30 and 40,787,872.20 is: 61,181,808.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,438,688.20 : 252,658,032.30 = 40,787,872.20 : x
  2. Step 2: Convert to fraction form
    168,438,688.20/252,658,032.30 = 40,787,872.20/x
  3. Step 3: Cross multiply
    168,438,688.20x = 252,658,032.30 × 40,787,872.20
  4. Step 4: Simplify right side
    168,438,688.20x = 10,305,383,531,755,874
  5. Step 5: Solve for x
    x = 10,305,383,531,755,874/168,438,688.20
  6. Step 6: Final answer
    x = 61,181,808.30

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1.5x scale

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.