Home / 78,562,310.48-117,871,251.96-27,458,438.48

Finding the Fourth Proportional to 78,562,310.48, 117,871,251.96 and 27,458,438.48

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Solution

The fourth proportional to 78,562,310.48, 117,871,251.96 and 27,458,438.48 is: 41,197,369.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,562,310.48 : 117,871,251.96 = 27,458,438.48 : x
  2. Step 2: Convert to fraction form
    78,562,310.48/117,871,251.96 = 27,458,438.48/x
  3. Step 3: Cross multiply
    78,562,310.48x = 117,871,251.96 × 27,458,438.48
  4. Step 4: Simplify right side
    78,562,310.48x = 3,236,560,520,504,239.50
  5. Step 5: Solve for x
    x = 3,236,560,520,504,239.50/78,562,310.48
  6. Step 6: Final answer
    x = 41,197,369.33

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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.