Home / 36,203,901.90-54,305,852.85-21,654,228.30

Finding the Fourth Proportional to 36,203,901.90, 54,305,852.85 and 21,654,228.30

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Solution

The fourth proportional to 36,203,901.90, 54,305,852.85 and 21,654,228.30 is: 32,481,342.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,203,901.90 : 54,305,852.85 = 21,654,228.30 : x
  2. Step 2: Convert to fraction form
    36,203,901.90/54,305,852.85 = 21,654,228.30/x
  3. Step 3: Cross multiply
    36,203,901.90x = 54,305,852.85 × 21,654,228.30
  4. Step 4: Simplify right side
    36,203,901.90x = 1,175,951,335,640,105.75
  5. Step 5: Solve for x
    x = 1,175,951,335,640,105.75/36,203,901.90
  6. Step 6: Final answer
    x = 32,481,342.45

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Double scale
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Similar ratio
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1.5x scale

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.