Home / 253,208,954.77-379,760,287.39-71,413,617.49

Finding the Fourth Proportional to 253,208,954.77, 379,760,287.39 and 71,413,617.49

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Solution

The fourth proportional to 253,208,954.77, 379,760,287.39 and 71,413,617.49 is: 107,105,437.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,208,954.77 : 379,760,287.39 = 71,413,617.49 : x
  2. Step 2: Convert to fraction form
    253,208,954.77/379,760,287.39 = 71,413,617.49/x
  3. Step 3: Cross multiply
    253,208,954.77x = 379,760,287.39 × 71,413,617.49
  4. Step 4: Simplify right side
    253,208,954.77x = 27,120,055,901,561,928
  5. Step 5: Solve for x
    x = 27,120,055,901,561,928/253,208,954.77
  6. Step 6: Final answer
    x = 107,105,437.59

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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.