Home / 201,801,579.17-278,486,168.60-108,982,078.07

Finding the Fourth Proportional to 201,801,579.17, 278,486,168.60 and 108,982,078.07

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Solution

The fourth proportional to 201,801,579.17, 278,486,168.60 and 108,982,078.07 is: 150,395,261.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,801,579.17 : 278,486,168.60 = 108,982,078.07 : x
  2. Step 2: Convert to fraction form
    201,801,579.17/278,486,168.60 = 108,982,078.07/x
  3. Step 3: Cross multiply
    201,801,579.17x = 278,486,168.60 × 108,982,078.07
  4. Step 4: Simplify right side
    201,801,579.17x = 30,350,001,367,235,472
  5. Step 5: Solve for x
    x = 30,350,001,367,235,472/201,801,579.17
  6. Step 6: Final answer
    x = 150,395,261.98

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