Home / 201,801,578.67-278,486,167.91-108,982,077.57

Finding the Fourth Proportional to 201,801,578.67, 278,486,167.91 and 108,982,077.57

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Solution

The fourth proportional to 201,801,578.67, 278,486,167.91 and 108,982,077.57 is: 150,395,261.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,801,578.67 : 278,486,167.91 = 108,982,077.57 : x
  2. Step 2: Convert to fraction form
    201,801,578.67/278,486,167.91 = 108,982,077.57/x
  3. Step 3: Cross multiply
    201,801,578.67x = 278,486,167.91 × 108,982,077.57
  4. Step 4: Simplify right side
    201,801,578.67x = 30,350,001,152,794,748
  5. Step 5: Solve for x
    x = 30,350,001,152,794,748/201,801,578.67
  6. Step 6: Final answer
    x = 150,395,261.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.