Home / 159,813,612.60-239,720,418.90-73,720,170.60

Finding the Fourth Proportional to 159,813,612.60, 239,720,418.90 and 73,720,170.60

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Solution

The fourth proportional to 159,813,612.60, 239,720,418.90 and 73,720,170.60 is: 110,580,255.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,813,612.60 : 239,720,418.90 = 73,720,170.60 : x
  2. Step 2: Convert to fraction form
    159,813,612.60/239,720,418.90 = 73,720,170.60/x
  3. Step 3: Cross multiply
    159,813,612.60x = 239,720,418.90 × 73,720,170.60
  4. Step 4: Simplify right side
    159,813,612.60x = 17,672,230,177,611,464
  5. Step 5: Solve for x
    x = 17,672,230,177,611,464/159,813,612.60
  6. Step 6: Final answer
    x = 110,580,255.90

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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.