Home / 30,251,015.11-41,749,930.20-17,200,229.50

Finding the Fourth Proportional to 30,251,015.11, 41,749,930.20 and 17,200,229.50

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Solution

The fourth proportional to 30,251,015.11, 41,749,930.20 and 17,200,229.50 is: 23,738,323.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,251,015.11 : 41,749,930.20 = 17,200,229.50 : x
  2. Step 2: Convert to fraction form
    30,251,015.11/41,749,930.20 = 17,200,229.50/x
  3. Step 3: Cross multiply
    30,251,015.11x = 41,749,930.20 × 17,200,229.50
  4. Step 4: Simplify right side
    30,251,015.11x = 718,108,381,048,981
  5. Step 5: Solve for x
    x = 718,108,381,048,981/30,251,015.11
  6. Step 6: Final answer
    x = 23,738,323.44

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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.