Home / 265,736,404.20-398,306,007.90-136,293,997.80

Finding the Fourth Proportional to 265,736,404.20, 398,306,007.90 and 136,293,997.80

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Solution

The fourth proportional to 265,736,404.20, 398,306,007.90 and 136,293,997.80 is: 204,287,848.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,736,404.20 : 398,306,007.90 = 136,293,997.80 : x
  2. Step 2: Convert to fraction form
    265,736,404.20/398,306,007.90 = 136,293,997.80/x
  3. Step 3: Cross multiply
    265,736,404.20x = 398,306,007.90 × 136,293,997.80
  4. Step 4: Simplify right side
    265,736,404.20x = 54,286,718,164,449,384
  5. Step 5: Solve for x
    x = 54,286,718,164,449,384/265,736,404.20
  6. Step 6: Final answer
    x = 204,287,848.06

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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.