Home / 279,407,729.64-419,204,873.51-123,940,090.37

Finding the Fourth Proportional to 279,407,729.64, 419,204,873.51 and 123,940,090.37

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Solution

The fourth proportional to 279,407,729.64, 419,204,873.51 and 123,940,090.37 is: 185,951,512.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,407,729.64 : 419,204,873.51 = 123,940,090.37 : x
  2. Step 2: Convert to fraction form
    279,407,729.64/419,204,873.51 = 123,940,090.37/x
  3. Step 3: Cross multiply
    279,407,729.64x = 419,204,873.51 × 123,940,090.37
  4. Step 4: Simplify right side
    279,407,729.64x = 51,956,289,907,266,912
  5. Step 5: Solve for x
    x = 51,956,289,907,266,912/279,407,729.64
  6. Step 6: Final answer
    x = 185,951,512.41

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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.