Home / 201,801,580.55-278,486,170.50-108,982,079.45

Finding the Fourth Proportional to 201,801,580.55, 278,486,170.50 and 108,982,079.45

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Solution

The fourth proportional to 201,801,580.55, 278,486,170.50 and 108,982,079.45 is: 150,395,263.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,801,580.55 : 278,486,170.50 = 108,982,079.45 : x
  2. Step 2: Convert to fraction form
    201,801,580.55/278,486,170.50 = 108,982,079.45/x
  3. Step 3: Cross multiply
    201,801,580.55x = 278,486,170.50 × 108,982,079.45
  4. Step 4: Simplify right side
    201,801,580.55x = 30,350,001,957,764,812
  5. Step 5: Solve for x
    x = 30,350,001,957,764,812/201,801,580.55
  6. Step 6: Final answer
    x = 150,395,263.88

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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.