Home / 215,558,831.20-323,338,246.80-106,436,279.20

Finding the Fourth Proportional to 215,558,831.20, 323,338,246.80 and 106,436,279.20

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Solution

The fourth proportional to 215,558,831.20, 323,338,246.80 and 106,436,279.20 is: 159,654,418.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,558,831.20 : 323,338,246.80 = 106,436,279.20 : x
  2. Step 2: Convert to fraction form
    215,558,831.20/323,338,246.80 = 106,436,279.20/x
  3. Step 3: Cross multiply
    215,558,831.20x = 323,338,246.80 × 106,436,279.20
  4. Step 4: Simplify right side
    215,558,831.20x = 34,414,919,912,443,308
  5. Step 5: Solve for x
    x = 34,414,919,912,443,308/215,558,831.20
  6. Step 6: Final answer
    x = 159,654,418.80

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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.