Home / 159,654,020.20-239,481,030.30-142,435,331.80

Finding the Fourth Proportional to 159,654,020.20, 239,481,030.30 and 142,435,331.80

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Solution

The fourth proportional to 159,654,020.20, 239,481,030.30 and 142,435,331.80 is: 213,652,997.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,654,020.20 : 239,481,030.30 = 142,435,331.80 : x
  2. Step 2: Convert to fraction form
    159,654,020.20/239,481,030.30 = 142,435,331.80/x
  3. Step 3: Cross multiply
    159,654,020.20x = 239,481,030.30 × 142,435,331.80
  4. Step 4: Simplify right side
    159,654,020.20x = 34,110,560,010,586,360
  5. Step 5: Solve for x
    x = 34,110,560,010,586,360/159,654,020.20
  6. Step 6: Final answer
    x = 213,652,997.70

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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.