Home / 378,330,087.97-522,131,458.62-237,223,645.12

Finding the Fourth Proportional to 378,330,087.97, 522,131,458.62 and 237,223,645.12

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Solution

The fourth proportional to 378,330,087.97, 522,131,458.62 and 237,223,645.12 is: 327,391,163.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,330,087.97 : 522,131,458.62 = 237,223,645.12 : x
  2. Step 2: Convert to fraction form
    378,330,087.97/522,131,458.62 = 237,223,645.12/x
  3. Step 3: Cross multiply
    378,330,087.97x = 522,131,458.62 × 237,223,645.12
  4. Step 4: Simplify right side
    378,330,087.97x = 123,861,927,845,658,848
  5. Step 5: Solve for x
    x = 123,861,927,845,658,848/378,330,087.97
  6. Step 6: Final answer
    x = 327,391,163.92

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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.