Home / 201,801,586.42-278,486,178.60-108,982,085.32

Finding the Fourth Proportional to 201,801,586.42, 278,486,178.60 and 108,982,085.32

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Solution

The fourth proportional to 201,801,586.42, 278,486,178.60 and 108,982,085.32 is: 150,395,271.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,801,586.42 : 278,486,178.60 = 108,982,085.32 : x
  2. Step 2: Convert to fraction form
    201,801,586.42/278,486,178.60 = 108,982,085.32/x
  3. Step 3: Cross multiply
    201,801,586.42x = 278,486,178.60 × 108,982,085.32
  4. Step 4: Simplify right side
    201,801,586.42x = 30,350,004,476,625,960
  5. Step 5: Solve for x
    x = 30,350,004,476,625,960/201,801,586.42
  6. Step 6: Final answer
    x = 150,395,271.98

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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.