Home / 166,761,719.35-230,131,194.20-92,427,078.81

Finding the Fourth Proportional to 166,761,719.35, 230,131,194.20 and 92,427,078.81

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Solution

The fourth proportional to 166,761,719.35, 230,131,194.20 and 92,427,078.81 is: 127,549,380.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,761,719.35 : 230,131,194.20 = 92,427,078.81 : x
  2. Step 2: Convert to fraction form
    166,761,719.35/230,131,194.20 = 92,427,078.81/x
  3. Step 3: Cross multiply
    166,761,719.35x = 230,131,194.20 × 92,427,078.81
  4. Step 4: Simplify right side
    166,761,719.35x = 21,270,354,022,962,816
  5. Step 5: Solve for x
    x = 21,270,354,022,962,816/166,761,719.35
  6. Step 6: Final answer
    x = 127,549,380.67

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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.