Home / 85,489,434.40-128,246,593.20-27,967,770.40

Finding the Fourth Proportional to 85,489,434.40, 128,246,593.20 and 27,967,770.40

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Solution

The fourth proportional to 85,489,434.40, 128,246,593.20 and 27,967,770.40 is: 41,955,725.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,489,434.40 : 128,246,593.20 = 27,967,770.40 : x
  2. Step 2: Convert to fraction form
    85,489,434.40/128,246,593.20 = 27,967,770.40/x
  3. Step 3: Cross multiply
    85,489,434.40x = 128,246,593.20 × 27,967,770.40
  4. Step 4: Simplify right side
    85,489,434.40x = 3,586,771,273,199,801
  5. Step 5: Solve for x
    x = 3,586,771,273,199,801/85,489,434.40
  6. Step 6: Final answer
    x = 41,955,725.86

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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.