Home / 159,654,015.40-239,481,023.10-125,216,638.60

Finding the Fourth Proportional to 159,654,015.40, 239,481,023.10 and 125,216,638.60

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Solution

The fourth proportional to 159,654,015.40, 239,481,023.10 and 125,216,638.60 is: 187,824,957.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,654,015.40 : 239,481,023.10 = 125,216,638.60 : x
  2. Step 2: Convert to fraction form
    159,654,015.40/239,481,023.10 = 125,216,638.60/x
  3. Step 3: Cross multiply
    159,654,015.40x = 239,481,023.10 × 125,216,638.60
  4. Step 4: Simplify right side
    159,654,015.40x = 29,987,008,721,070,948
  5. Step 5: Solve for x
    x = 29,987,008,721,070,948/159,654,015.40
  6. Step 6: Final answer
    x = 187,824,957.90

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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.