Home / 65,491,389.44-98,215,827.06-21,760,403.66

Finding the Fourth Proportional to 65,491,389.44, 98,215,827.06 and 21,760,403.66

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Solution

The fourth proportional to 65,491,389.44, 98,215,827.06 and 21,760,403.66 is: 32,633,542.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,491,389.44 : 98,215,827.06 = 21,760,403.66 : x
  2. Step 2: Convert to fraction form
    65,491,389.44/98,215,827.06 = 21,760,403.66/x
  3. Step 3: Cross multiply
    65,491,389.44x = 98,215,827.06 × 21,760,403.66
  4. Step 4: Simplify right side
    65,491,389.44x = 2,137,216,042,626,351
  5. Step 5: Solve for x
    x = 2,137,216,042,626,351/65,491,389.44
  6. Step 6: Final answer
    x = 32,633,542.53

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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.