Home / 51,204,358.82-76,806,616-20,912,221.82

Finding the Fourth Proportional to 51,204,358.82, 76,806,616 and 20,912,221.82

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Solution

The fourth proportional to 51,204,358.82, 76,806,616 and 20,912,221.82 is: 31,368,364.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,204,358.82 : 76,806,616 = 20,912,221.82 : x
  2. Step 2: Convert to fraction form
    51,204,358.82/76,806,616 = 20,912,221.82/x
  3. Step 3: Cross multiply
    51,204,358.82x = 76,806,616 × 20,912,221.82
  4. Step 4: Simplify right side
    51,204,358.82x = 1,606,196,991,035,561.25
  5. Step 5: Solve for x
    x = 1,606,196,991,035,561.25/51,204,358.82
  6. Step 6: Final answer
    x = 31,368,364.49

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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.