Home / 204,380,451.71-306,555,848.28-79,859,666.61

Finding the Fourth Proportional to 204,380,451.71, 306,555,848.28 and 79,859,666.61

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Solution

The fourth proportional to 204,380,451.71, 306,555,848.28 and 79,859,666.61 is: 119,783,705.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,380,451.71 : 306,555,848.28 = 79,859,666.61 : x
  2. Step 2: Convert to fraction form
    204,380,451.71/306,555,848.28 = 79,859,666.61/x
  3. Step 3: Cross multiply
    204,380,451.71x = 306,555,848.28 × 79,859,666.61
  4. Step 4: Simplify right side
    204,380,451.71x = 24,481,447,840,986,540
  5. Step 5: Solve for x
    x = 24,481,447,840,986,540/204,380,451.71
  6. Step 6: Final answer
    x = 119,783,705.52

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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.