Home / 74,067,936.96-111,048,069.60-30,949,481.28

Finding the Fourth Proportional to 74,067,936.96, 111,048,069.60 and 30,949,481.28

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Solution

The fourth proportional to 74,067,936.96, 111,048,069.60 and 30,949,481.28 is: 46,401,726.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,067,936.96 : 111,048,069.60 = 30,949,481.28 : x
  2. Step 2: Convert to fraction form
    74,067,936.96/111,048,069.60 = 30,949,481.28/x
  3. Step 3: Cross multiply
    74,067,936.96x = 111,048,069.60 × 30,949,481.28
  4. Step 4: Simplify right side
    74,067,936.96x = 3,436,880,151,265,337
  5. Step 5: Solve for x
    x = 3,436,880,151,265,337/74,067,936.96
  6. Step 6: Final answer
    x = 46,401,726.47

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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.