Home / 126,378,676.80-189,568,015.20-104,837,601.60

Finding the Fourth Proportional to 126,378,676.80, 189,568,015.20 and 104,837,601.60

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Solution

The fourth proportional to 126,378,676.80, 189,568,015.20 and 104,837,601.60 is: 157,256,402.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,378,676.80 : 189,568,015.20 = 104,837,601.60 : x
  2. Step 2: Convert to fraction form
    126,378,676.80/189,568,015.20 = 104,837,601.60/x
  3. Step 3: Cross multiply
    126,378,676.80x = 189,568,015.20 × 104,837,601.60
  4. Step 4: Simplify right side
    126,378,676.80x = 19,873,856,053,640,340
  5. Step 5: Solve for x
    x = 19,873,856,053,640,340/126,378,676.80
  6. Step 6: Final answer
    x = 157,256,402.40

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1.5x scale

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.