Home / 305,979,944.05-422,240,004.16-166,747,716.37

Finding the Fourth Proportional to 305,979,944.05, 422,240,004.16 and 166,747,716.37

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Solution

The fourth proportional to 305,979,944.05, 422,240,004.16 and 166,747,716.37 is: 230,105,135.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,979,944.05 : 422,240,004.16 = 166,747,716.37 : x
  2. Step 2: Convert to fraction form
    305,979,944.05/422,240,004.16 = 166,747,716.37/x
  3. Step 3: Cross multiply
    305,979,944.05x = 422,240,004.16 × 166,747,716.37
  4. Step 4: Simplify right side
    305,979,944.05x = 70,407,556,453,739,304
  5. Step 5: Solve for x
    x = 70,407,556,453,739,304/305,979,944.05
  6. Step 6: Final answer
    x = 230,105,135.39

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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.