Home / 206,729,762.40-285,299,780.40-113,910,246

Finding the Fourth Proportional to 206,729,762.40, 285,299,780.40 and 113,910,246

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Solution

The fourth proportional to 206,729,762.40, 285,299,780.40 and 113,910,246 is: 157,203,141.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,729,762.40 : 285,299,780.40 = 113,910,246 : x
  2. Step 2: Convert to fraction form
    206,729,762.40/285,299,780.40 = 113,910,246/x
  3. Step 3: Cross multiply
    206,729,762.40x = 285,299,780.40 × 113,910,246
  4. Step 4: Simplify right side
    206,729,762.40x = 32,498,568,169,109,976
  5. Step 5: Solve for x
    x = 32,498,568,169,109,976/206,729,762.40
  6. Step 6: Final answer
    x = 157,203,141.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.