Home / 133,383,286.44-200,303,893.98-81,870,378.21

Finding the Fourth Proportional to 133,383,286.44, 200,303,893.98 and 81,870,378.21

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Solution

The fourth proportional to 133,383,286.44, 200,303,893.98 and 81,870,378.21 is: 122,946,105.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,383,286.44 : 200,303,893.98 = 81,870,378.21 : x
  2. Step 2: Convert to fraction form
    133,383,286.44/200,303,893.98 = 81,870,378.21/x
  3. Step 3: Cross multiply
    133,383,286.44x = 200,303,893.98 × 81,870,378.21
  4. Step 4: Simplify right side
    133,383,286.44x = 16,398,955,557,078,340
  5. Step 5: Solve for x
    x = 16,398,955,557,078,340/133,383,286.44
  6. Step 6: Final answer
    x = 122,946,105.13

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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.