Home / 115,149,835.09-172,755,039.85-41,381,067.57

Finding the Fourth Proportional to 115,149,835.09, 172,755,039.85 and 41,381,067.57

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Solution

The fourth proportional to 115,149,835.09, 172,755,039.85 and 41,381,067.57 is: 62,082,485.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,149,835.09 : 172,755,039.85 = 41,381,067.57 : x
  2. Step 2: Convert to fraction form
    115,149,835.09/172,755,039.85 = 41,381,067.57/x
  3. Step 3: Cross multiply
    115,149,835.09x = 172,755,039.85 × 41,381,067.57
  4. Step 4: Simplify right side
    115,149,835.09x = 7,148,787,977,090,892
  5. Step 5: Solve for x
    x = 7,148,787,977,090,892/115,149,835.09
  6. Step 6: Final answer
    x = 62,082,485.59

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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.