Home / 159,654,016.80-239,481,025.20-68,954,752.80

Finding the Fourth Proportional to 159,654,016.80, 239,481,025.20 and 68,954,752.80

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Solution

The fourth proportional to 159,654,016.80, 239,481,025.20 and 68,954,752.80 is: 103,432,129.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,654,016.80 : 239,481,025.20 = 68,954,752.80 : x
  2. Step 2: Convert to fraction form
    159,654,016.80/239,481,025.20 = 68,954,752.80/x
  3. Step 3: Cross multiply
    159,654,016.80x = 239,481,025.20 × 68,954,752.80
  4. Step 4: Simplify right side
    159,654,016.80x = 16,513,354,892,956,570
  5. Step 5: Solve for x
    x = 16,513,354,892,956,570/159,654,016.80
  6. Step 6: Final answer
    x = 103,432,129.20

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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.