Home / 219,964,052.78-330,026,542.65-206,969,323.89

Finding the Fourth Proportional to 219,964,052.78, 330,026,542.65 and 206,969,323.89

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Solution

The fourth proportional to 219,964,052.78, 330,026,542.65 and 206,969,323.89 is: 310,529,695.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,964,052.78 : 330,026,542.65 = 206,969,323.89 : x
  2. Step 2: Convert to fraction form
    219,964,052.78/330,026,542.65 = 206,969,323.89/x
  3. Step 3: Cross multiply
    219,964,052.78x = 330,026,542.65 × 206,969,323.89
  4. Step 4: Simplify right side
    219,964,052.78x = 68,305,370,395,339,760
  5. Step 5: Solve for x
    x = 68,305,370,395,339,760/219,964,052.78
  6. Step 6: Final answer
    x = 310,529,695.79

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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.