Home / 331,609,121.20-497,409,016.20-149,856,007.60

Finding the Fourth Proportional to 331,609,121.20, 497,409,016.20 and 149,856,007.60

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Solution

The fourth proportional to 331,609,121.20, 497,409,016.20 and 149,856,007.60 is: 224,781,902.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,609,121.20 : 497,409,016.20 = 149,856,007.60 : x
  2. Step 2: Convert to fraction form
    331,609,121.20/497,409,016.20 = 149,856,007.60/x
  3. Step 3: Cross multiply
    331,609,121.20x = 497,409,016.20 × 149,856,007.60
  4. Step 4: Simplify right side
    331,609,121.20x = 74,539,729,311,975,712
  5. Step 5: Solve for x
    x = 74,539,729,311,975,712/331,609,121.20
  6. Step 6: Final answer
    x = 224,781,902.99

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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.