Home / 71,202,745.14-98,261,720.40-40,267,540.50

Finding the Fourth Proportional to 71,202,745.14, 98,261,720.40 and 40,267,540.50

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Solution

The fourth proportional to 71,202,745.14, 98,261,720.40 and 40,267,540.50 is: 55,570,298.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,202,745.14 : 98,261,720.40 = 40,267,540.50 : x
  2. Step 2: Convert to fraction form
    71,202,745.14/98,261,720.40 = 40,267,540.50/x
  3. Step 3: Cross multiply
    71,202,745.14x = 98,261,720.40 × 40,267,540.50
  4. Step 4: Simplify right side
    71,202,745.14x = 3,956,757,805,806,676.50
  5. Step 5: Solve for x
    x = 3,956,757,805,806,676.50/71,202,745.14
  6. Step 6: Final answer
    x = 55,570,298.56

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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.