Home / 71,110,660.28-98,140,675.14-40,172,822.46

Finding the Fourth Proportional to 71,110,660.28, 98,140,675.14 and 40,172,822.46

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Solution

The fourth proportional to 71,110,660.28, 98,140,675.14 and 40,172,822.46 is: 55,442,994.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,110,660.28 : 98,140,675.14 = 40,172,822.46 : x
  2. Step 2: Convert to fraction form
    71,110,660.28/98,140,675.14 = 40,172,822.46/x
  3. Step 3: Cross multiply
    71,110,660.28x = 98,140,675.14 × 40,172,822.46
  4. Step 4: Simplify right side
    71,110,660.28x = 3,942,587,918,503,756
  5. Step 5: Solve for x
    x = 3,942,587,918,503,756/71,110,660.28
  6. Step 6: Final answer
    x = 55,442,994.11

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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.