Home / 268,099,486.20-402,149,229.30-166,062,814.20

Finding the Fourth Proportional to 268,099,486.20, 402,149,229.30 and 166,062,814.20

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Solution

The fourth proportional to 268,099,486.20, 402,149,229.30 and 166,062,814.20 is: 249,094,221.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,099,486.20 : 402,149,229.30 = 166,062,814.20 : x
  2. Step 2: Convert to fraction form
    268,099,486.20/402,149,229.30 = 166,062,814.20/x
  3. Step 3: Cross multiply
    268,099,486.20x = 402,149,229.30 × 166,062,814.20
  4. Step 4: Simplify right side
    268,099,486.20x = 66,782,032,745,919,096
  5. Step 5: Solve for x
    x = 66,782,032,745,919,096/268,099,486.20
  6. Step 6: Final answer
    x = 249,094,221.30

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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.