Home / 204,270,665.50-281,980,499.21-137,328,447.70

Finding the Fourth Proportional to 204,270,665.50, 281,980,499.21 and 137,328,447.70

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Solution

The fourth proportional to 204,270,665.50, 281,980,499.21 and 137,328,447.70 is: 189,571,733.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,270,665.50 : 281,980,499.21 = 137,328,447.70 : x
  2. Step 2: Convert to fraction form
    204,270,665.50/281,980,499.21 = 137,328,447.70/x
  3. Step 3: Cross multiply
    204,270,665.50x = 281,980,499.21 × 137,328,447.70
  4. Step 4: Simplify right side
    204,270,665.50x = 38,723,944,238,180,368
  5. Step 5: Solve for x
    x = 38,723,944,238,180,368/204,270,665.50
  6. Step 6: Final answer
    x = 189,571,733.87

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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.