Home / 204,429,910.40-306,644,865.60-122,800,572.80

Finding the Fourth Proportional to 204,429,910.40, 306,644,865.60 and 122,800,572.80

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Solution

The fourth proportional to 204,429,910.40, 306,644,865.60 and 122,800,572.80 is: 184,200,859.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,429,910.40 : 306,644,865.60 = 122,800,572.80 : x
  2. Step 2: Convert to fraction form
    204,429,910.40/306,644,865.60 = 122,800,572.80/x
  3. Step 3: Cross multiply
    204,429,910.40x = 306,644,865.60 × 122,800,572.80
  4. Step 4: Simplify right side
    204,429,910.40x = 37,656,165,141,859,016
  5. Step 5: Solve for x
    x = 37,656,165,141,859,016/204,429,910.40
  6. Step 6: Final answer
    x = 184,200,859.20

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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.