Home / 49,770,752.20-74,656,128.30-21,007,328.20

Finding the Fourth Proportional to 49,770,752.20, 74,656,128.30 and 21,007,328.20

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Solution

The fourth proportional to 49,770,752.20, 74,656,128.30 and 21,007,328.20 is: 31,510,992.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,770,752.20 : 74,656,128.30 = 21,007,328.20 : x
  2. Step 2: Convert to fraction form
    49,770,752.20/74,656,128.30 = 21,007,328.20/x
  3. Step 3: Cross multiply
    49,770,752.20x = 74,656,128.30 × 21,007,328.20
  4. Step 4: Simplify right side
    49,770,752.20x = 1,568,325,789,339,408
  5. Step 5: Solve for x
    x = 1,568,325,789,339,408/49,770,752.20
  6. Step 6: Final answer
    x = 31,510,992.30

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Similar ratio
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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.