Home / 178,765,449.60-268,123,291.20-57,609,148.80

Finding the Fourth Proportional to 178,765,449.60, 268,123,291.20 and 57,609,148.80

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Solution

The fourth proportional to 178,765,449.60, 268,123,291.20 and 57,609,148.80 is: 86,405,704.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,765,449.60 : 268,123,291.20 = 57,609,148.80 : x
  2. Step 2: Convert to fraction form
    178,765,449.60/268,123,291.20 = 57,609,148.80/x
  3. Step 3: Cross multiply
    178,765,449.60x = 268,123,291.20 × 57,609,148.80
  4. Step 4: Simplify right side
    178,765,449.60x = 15,446,354,579,486,530
  5. Step 5: Solve for x
    x = 15,446,354,579,486,530/178,765,449.60
  6. Step 6: Final answer
    x = 86,405,704.31

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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.