Home / 49,822,556.44-74,763,348.90-21,067,115.80

Finding the Fourth Proportional to 49,822,556.44, 74,763,348.90 and 21,067,115.80

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Solution

The fourth proportional to 49,822,556.44, 74,763,348.90 and 21,067,115.80 is: 31,613,153.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,822,556.44 : 74,763,348.90 = 21,067,115.80 : x
  2. Step 2: Convert to fraction form
    49,822,556.44/74,763,348.90 = 21,067,115.80/x
  3. Step 3: Cross multiply
    49,822,556.44x = 74,763,348.90 × 21,067,115.80
  4. Step 4: Simplify right side
    49,822,556.44x = 1,575,048,128,872,102.75
  5. Step 5: Solve for x
    x = 1,575,048,128,872,102.75/49,822,556.44
  6. Step 6: Final answer
    x = 31,613,153.59

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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.