Home / 193,543,423.20-289,917,003.60-133,027,480.80

Finding the Fourth Proportional to 193,543,423.20, 289,917,003.60 and 133,027,480.80

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Solution

The fourth proportional to 193,543,423.20, 289,917,003.60 and 133,027,480.80 is: 199,267,575.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,543,423.20 : 289,917,003.60 = 133,027,480.80 : x
  2. Step 2: Convert to fraction form
    193,543,423.20/289,917,003.60 = 133,027,480.80/x
  3. Step 3: Cross multiply
    193,543,423.20x = 289,917,003.60 × 133,027,480.80
  4. Step 4: Simplify right side
    193,543,423.20x = 38,566,928,629,992,536
  5. Step 5: Solve for x
    x = 38,566,928,629,992,536/193,543,423.20
  6. Step 6: Final answer
    x = 199,267,575.16

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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.