Home / 243,013,238.36-335,359,151.91-131,504,067.43

Finding the Fourth Proportional to 243,013,238.36, 335,359,151.91 and 131,504,067.43

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Solution

The fourth proportional to 243,013,238.36, 335,359,151.91 and 131,504,067.43 is: 181,476,090.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,013,238.36 : 335,359,151.91 = 131,504,067.43 : x
  2. Step 2: Convert to fraction form
    243,013,238.36/335,359,151.91 = 131,504,067.43/x
  3. Step 3: Cross multiply
    243,013,238.36x = 335,359,151.91 × 131,504,067.43
  4. Step 4: Simplify right side
    243,013,238.36x = 44,101,092,525,201,856
  5. Step 5: Solve for x
    x = 44,101,092,525,201,856/243,013,238.36
  6. Step 6: Final answer
    x = 181,476,090.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.