Home / 378,057,761.36-567,086,642.36-90,843,425.36

Finding the Fourth Proportional to 378,057,761.36, 567,086,642.36 and 90,843,425.36

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Solution

The fourth proportional to 378,057,761.36, 567,086,642.36 and 90,843,425.36 is: 136,265,138.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,057,761.36 : 567,086,642.36 = 90,843,425.36 : x
  2. Step 2: Convert to fraction form
    378,057,761.36/567,086,642.36 = 90,843,425.36/x
  3. Step 3: Cross multiply
    378,057,761.36x = 567,086,642.36 × 90,843,425.36
  4. Step 4: Simplify right side
    378,057,761.36x = 51,516,093,067,883,672
  5. Step 5: Solve for x
    x = 51,516,093,067,883,672/378,057,761.36
  6. Step 6: Final answer
    x = 136,265,138.12

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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.