Home / 133,859,963.70-200,789,945.55-76,464,335.70

Finding the Fourth Proportional to 133,859,963.70, 200,789,945.55 and 76,464,335.70

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Solution

The fourth proportional to 133,859,963.70, 200,789,945.55 and 76,464,335.70 is: 114,696,503.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,859,963.70 : 200,789,945.55 = 76,464,335.70 : x
  2. Step 2: Convert to fraction form
    133,859,963.70/200,789,945.55 = 76,464,335.70/x
  3. Step 3: Cross multiply
    133,859,963.70x = 200,789,945.55 × 76,464,335.70
  4. Step 4: Simplify right side
    133,859,963.70x = 15,353,269,801,719,922
  5. Step 5: Solve for x
    x = 15,353,269,801,719,922/133,859,963.70
  6. Step 6: Final answer
    x = 114,696,503.55

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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.