Home / 219,472,945.20-329,083,446.60-66,096,010.80

Finding the Fourth Proportional to 219,472,945.20, 329,083,446.60 and 66,096,010.80

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Solution

The fourth proportional to 219,472,945.20, 329,083,446.60 and 66,096,010.80 is: 99,106,078.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,472,945.20 : 329,083,446.60 = 66,096,010.80 : x
  2. Step 2: Convert to fraction form
    219,472,945.20/329,083,446.60 = 66,096,010.80/x
  3. Step 3: Cross multiply
    219,472,945.20x = 329,083,446.60 × 66,096,010.80
  4. Step 4: Simplify right side
    219,472,945.20x = 21,751,103,040,574,824
  5. Step 5: Solve for x
    x = 21,751,103,040,574,824/219,472,945.20
  6. Step 6: Final answer
    x = 99,106,078.98

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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.