Home / 115,741,998.47-174,305,851.19-105,410,785.43

Finding the Fourth Proportional to 115,741,998.47, 174,305,851.19 and 105,410,785.43

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Solution

The fourth proportional to 115,741,998.47, 174,305,851.19 and 105,410,785.43 is: 158,747,187.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,741,998.47 : 174,305,851.19 = 105,410,785.43 : x
  2. Step 2: Convert to fraction form
    115,741,998.47/174,305,851.19 = 105,410,785.43/x
  3. Step 3: Cross multiply
    115,741,998.47x = 174,305,851.19 × 105,410,785.43
  4. Step 4: Simplify right side
    115,741,998.47x = 18,373,716,678,305,260
  5. Step 5: Solve for x
    x = 18,373,716,678,305,260/115,741,998.47
  6. Step 6: Final answer
    x = 158,747,187.03

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.