Home / 115,247,529.36-172,871,589.29-47,090,221.11

Finding the Fourth Proportional to 115,247,529.36, 172,871,589.29 and 47,090,221.11

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Solution

The fourth proportional to 115,247,529.36, 172,871,589.29 and 47,090,221.11 is: 70,635,452.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,247,529.36 : 172,871,589.29 = 47,090,221.11 : x
  2. Step 2: Convert to fraction form
    115,247,529.36/172,871,589.29 = 47,090,221.11/x
  3. Step 3: Cross multiply
    115,247,529.36x = 172,871,589.29 × 47,090,221.11
  4. Step 4: Simplify right side
    115,247,529.36x = 8,140,561,363,067,757
  5. Step 5: Solve for x
    x = 8,140,561,363,067,757/115,247,529.36
  6. Step 6: Final answer
    x = 70,635,452.30

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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.