Home / 51,204,360.82-76,806,618.99-20,912,223.82

Finding the Fourth Proportional to 51,204,360.82, 76,806,618.99 and 20,912,223.82

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Solution

The fourth proportional to 51,204,360.82, 76,806,618.99 and 20,912,223.82 is: 31,368,367.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,204,360.82 : 76,806,618.99 = 20,912,223.82 : x
  2. Step 2: Convert to fraction form
    51,204,360.82/76,806,618.99 = 20,912,223.82/x
  3. Step 3: Cross multiply
    51,204,360.82x = 76,806,618.99 × 20,912,223.82
  4. Step 4: Simplify right side
    51,204,360.82x = 1,606,197,207,176,342.25
  5. Step 5: Solve for x
    x = 1,606,197,207,176,342.25/51,204,360.82
  6. Step 6: Final answer
    x = 31,368,367.49

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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.