Home / 51,603,996.91-77,432,982.59-20,901,819.97

Finding the Fourth Proportional to 51,603,996.91, 77,432,982.59 and 20,901,819.97

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Solution

The fourth proportional to 51,603,996.91, 77,432,982.59 and 20,901,819.97 is: 31,363,660.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,603,996.91 : 77,432,982.59 = 20,901,819.97 : x
  2. Step 2: Convert to fraction form
    51,603,996.91/77,432,982.59 = 20,901,819.97/x
  3. Step 3: Cross multiply
    51,603,996.91x = 77,432,982.59 × 20,901,819.97
  4. Step 4: Simplify right side
    51,603,996.91x = 1,618,490,261,694,996.50
  5. Step 5: Solve for x
    x = 1,618,490,261,694,996.50/51,603,996.91
  6. Step 6: Final answer
    x = 31,363,660.93

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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.