Home / 115,107,327.66-172,351,593.57-87,682,979.34

Finding the Fourth Proportional to 115,107,327.66, 172,351,593.57 and 87,682,979.34

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Solution

The fourth proportional to 115,107,327.66, 172,351,593.57 and 87,682,979.34 is: 131,288,785.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,107,327.66 : 172,351,593.57 = 87,682,979.34 : x
  2. Step 2: Convert to fraction form
    115,107,327.66/172,351,593.57 = 87,682,979.34/x
  3. Step 3: Cross multiply
    115,107,327.66x = 172,351,593.57 × 87,682,979.34
  4. Step 4: Simplify right side
    115,107,327.66x = 15,112,301,218,214,386
  5. Step 5: Solve for x
    x = 15,112,301,218,214,386/115,107,327.66
  6. Step 6: Final answer
    x = 131,288,785.22

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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.