Home / 71,404,415.82-98,540,172.30-40,463,556.30

Finding the Fourth Proportional to 71,404,415.82, 98,540,172.30 and 40,463,556.30

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Solution

The fourth proportional to 71,404,415.82, 98,540,172.30 and 40,463,556.30 is: 55,840,885.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,404,415.82 : 98,540,172.30 = 40,463,556.30 : x
  2. Step 2: Convert to fraction form
    71,404,415.82/98,540,172.30 = 40,463,556.30/x
  3. Step 3: Cross multiply
    71,404,415.82x = 98,540,172.30 × 40,463,556.30
  4. Step 4: Simplify right side
    71,404,415.82x = 3,987,285,809,672,750
  5. Step 5: Solve for x
    x = 3,987,285,809,672,750/71,404,415.82
  6. Step 6: Final answer
    x = 55,840,885.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.