Home / 201,795,144.75-278,477,296.97-108,975,649.86

Finding the Fourth Proportional to 201,795,144.75, 278,477,296.97 and 108,975,649.86

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Solution

The fourth proportional to 201,795,144.75, 278,477,296.97 and 108,975,649.86 is: 150,386,395.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,795,144.75 : 278,477,296.97 = 108,975,649.86 : x
  2. Step 2: Convert to fraction form
    201,795,144.75/278,477,296.97 = 108,975,649.86/x
  3. Step 3: Cross multiply
    201,795,144.75x = 278,477,296.97 × 108,975,649.86
  4. Step 4: Simplify right side
    201,795,144.75x = 30,347,244,408,017,076
  5. Step 5: Solve for x
    x = 30,347,244,408,017,076/201,795,144.75
  6. Step 6: Final answer
    x = 150,386,395.30

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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.