Home / 117,419,076.33-176,043,218.38-55,138,297.67

Finding the Fourth Proportional to 117,419,076.33, 176,043,218.38 and 55,138,297.67

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Solution

The fourth proportional to 117,419,076.33, 176,043,218.38 and 55,138,297.67 is: 82,667,345.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,419,076.33 : 176,043,218.38 = 55,138,297.67 : x
  2. Step 2: Convert to fraction form
    117,419,076.33/176,043,218.38 = 55,138,297.67/x
  3. Step 3: Cross multiply
    117,419,076.33x = 176,043,218.38 × 55,138,297.67
  4. Step 4: Simplify right side
    117,419,076.33x = 9,706,723,378,764,028
  5. Step 5: Solve for x
    x = 9,706,723,378,764,028/117,419,076.33
  6. Step 6: Final answer
    x = 82,667,345.74

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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.