Home / 290,206,261.92-400,481,853.30-158,049,471

Finding the Fourth Proportional to 290,206,261.92, 400,481,853.30 and 158,049,471

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Solution

The fourth proportional to 290,206,261.92, 400,481,853.30 and 158,049,471 is: 218,106,751.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,206,261.92 : 400,481,853.30 = 158,049,471 : x
  2. Step 2: Convert to fraction form
    290,206,261.92/400,481,853.30 = 158,049,471/x
  3. Step 3: Cross multiply
    290,206,261.92x = 400,481,853.30 × 158,049,471
  4. Step 4: Simplify right side
    290,206,261.92x = 63,295,945,059,164,608
  5. Step 5: Solve for x
    x = 63,295,945,059,164,608/290,206,261.92
  6. Step 6: Final answer
    x = 218,106,751.52

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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.