Home / 236,206,507.20-354,309,760.80-221,857,600.20

Finding the Fourth Proportional to 236,206,507.20, 354,309,760.80 and 221,857,600.20

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Solution

The fourth proportional to 236,206,507.20, 354,309,760.80 and 221,857,600.20 is: 332,786,400.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,206,507.20 : 354,309,760.80 = 221,857,600.20 : x
  2. Step 2: Convert to fraction form
    236,206,507.20/354,309,760.80 = 221,857,600.20/x
  3. Step 3: Cross multiply
    236,206,507.20x = 354,309,760.80 × 221,857,600.20
  4. Step 4: Simplify right side
    236,206,507.20x = 78,606,313,258,524,032
  5. Step 5: Solve for x
    x = 78,606,313,258,524,032/236,206,507.20
  6. Step 6: Final answer
    x = 332,786,400.30

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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.