Home / 201,801,579.05-278,486,168.43-108,982,077.95

Finding the Fourth Proportional to 201,801,579.05, 278,486,168.43 and 108,982,077.95

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Solution

The fourth proportional to 201,801,579.05, 278,486,168.43 and 108,982,077.95 is: 150,395,261.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,801,579.05 : 278,486,168.43 = 108,982,077.95 : x
  2. Step 2: Convert to fraction form
    201,801,579.05/278,486,168.43 = 108,982,077.95/x
  3. Step 3: Cross multiply
    201,801,579.05x = 278,486,168.43 × 108,982,077.95
  4. Step 4: Simplify right side
    201,801,579.05x = 30,350,001,314,442,656
  5. Step 5: Solve for x
    x = 30,350,001,314,442,656/201,801,579.05
  6. Step 6: Final answer
    x = 150,395,261.81

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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.