Home / 222,481,122.30-306,995,729.13-121,983,112.55

Finding the Fourth Proportional to 222,481,122.30, 306,995,729.13 and 121,983,112.55

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Solution

The fourth proportional to 222,481,122.30, 306,995,729.13 and 121,983,112.55 is: 168,321,222.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,481,122.30 : 306,995,729.13 = 121,983,112.55 : x
  2. Step 2: Convert to fraction form
    222,481,122.30/306,995,729.13 = 121,983,112.55/x
  3. Step 3: Cross multiply
    222,481,122.30x = 306,995,729.13 × 121,983,112.55
  4. Step 4: Simplify right side
    222,481,122.30x = 37,448,294,579,601,592
  5. Step 5: Solve for x
    x = 37,448,294,579,601,592/222,481,122.30
  6. Step 6: Final answer
    x = 168,321,222.91

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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.