Home / 201,801,579.67-278,486,169.29-108,982,078.57

Finding the Fourth Proportional to 201,801,579.67, 278,486,169.29 and 108,982,078.57

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Solution

The fourth proportional to 201,801,579.67, 278,486,169.29 and 108,982,078.57 is: 150,395,262.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,801,579.67 : 278,486,169.29 = 108,982,078.57 : x
  2. Step 2: Convert to fraction form
    201,801,579.67/278,486,169.29 = 108,982,078.57/x
  3. Step 3: Cross multiply
    201,801,579.67x = 278,486,169.29 × 108,982,078.57
  4. Step 4: Simplify right side
    201,801,579.67x = 30,350,001,582,221,100
  5. Step 5: Solve for x
    x = 30,350,001,582,221,100/201,801,579.67
  6. Step 6: Final answer
    x = 150,395,262.67

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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.