Home / 177,408,835.20-266,150,577.60-75,120,220.80

Finding the Fourth Proportional to 177,408,835.20, 266,150,577.60 and 75,120,220.80

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Solution

The fourth proportional to 177,408,835.20, 266,150,577.60 and 75,120,220.80 is: 112,696,135.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,408,835.20 : 266,150,577.60 = 75,120,220.80 : x
  2. Step 2: Convert to fraction form
    177,408,835.20/266,150,577.60 = 75,120,220.80/x
  3. Step 3: Cross multiply
    177,408,835.20x = 266,150,577.60 × 75,120,220.80
  4. Step 4: Simplify right side
    177,408,835.20x = 19,993,290,155,359,532
  5. Step 5: Solve for x
    x = 19,993,290,155,359,532/177,408,835.20
  6. Step 6: Final answer
    x = 112,696,135.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.