Home / 219,964,053.78-330,026,544.15-206,969,324.89

Finding the Fourth Proportional to 219,964,053.78, 330,026,544.15 and 206,969,324.89

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Solution

The fourth proportional to 219,964,053.78, 330,026,544.15 and 206,969,324.89 is: 310,529,697.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,964,053.78 : 330,026,544.15 = 206,969,324.89 : x
  2. Step 2: Convert to fraction form
    219,964,053.78/330,026,544.15 = 206,969,324.89/x
  3. Step 3: Cross multiply
    219,964,053.78x = 330,026,544.15 × 206,969,324.89
  4. Step 4: Simplify right side
    219,964,053.78x = 68,305,371,038,505,272
  5. Step 5: Solve for x
    x = 68,305,371,038,505,272/219,964,053.78
  6. Step 6: Final answer
    x = 310,529,697.31

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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.