Home / 133,022,133.90-199,599,556.05-75,558,530.70

Finding the Fourth Proportional to 133,022,133.90, 199,599,556.05 and 75,558,530.70

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Solution

The fourth proportional to 133,022,133.90, 199,599,556.05 and 75,558,530.70 is: 113,375,486.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,022,133.90 : 199,599,556.05 = 75,558,530.70 : x
  2. Step 2: Convert to fraction form
    133,022,133.90/199,599,556.05 = 75,558,530.70/x
  3. Step 3: Cross multiply
    133,022,133.90x = 199,599,556.05 × 75,558,530.70
  4. Step 4: Simplify right side
    133,022,133.90x = 15,081,449,183,510,298
  5. Step 5: Solve for x
    x = 15,081,449,183,510,298/133,022,133.90
  6. Step 6: Final answer
    x = 113,375,486.78

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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.