Home / 51,222,747.06-76,834,251.63-20,930,609.94

Finding the Fourth Proportional to 51,222,747.06, 76,834,251.63 and 20,930,609.94

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Solution

The fourth proportional to 51,222,747.06, 76,834,251.63 and 20,930,609.94 is: 31,395,968.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,222,747.06 : 76,834,251.63 = 20,930,609.94 : x
  2. Step 2: Convert to fraction form
    51,222,747.06/76,834,251.63 = 20,930,609.94/x
  3. Step 3: Cross multiply
    51,222,747.06x = 76,834,251.63 × 20,930,609.94
  4. Step 4: Simplify right side
    51,222,747.06x = 1,608,187,750,899,339.25
  5. Step 5: Solve for x
    x = 1,608,187,750,899,339.25/51,222,747.06
  6. Step 6: Final answer
    x = 31,395,968.46

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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.