Home / 80,993,504.37-111,770,963.81-45,718,734.38

Finding the Fourth Proportional to 80,993,504.37, 111,770,963.81 and 45,718,734.38

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Solution

The fourth proportional to 80,993,504.37, 111,770,963.81 and 45,718,734.38 is: 63,091,812.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,993,504.37 : 111,770,963.81 = 45,718,734.38 : x
  2. Step 2: Convert to fraction form
    80,993,504.37/111,770,963.81 = 45,718,734.38/x
  3. Step 3: Cross multiply
    80,993,504.37x = 111,770,963.81 × 45,718,734.38
  4. Step 4: Simplify right side
    80,993,504.37x = 5,110,027,006,219,707
  5. Step 5: Solve for x
    x = 5,110,027,006,219,707/80,993,504.37
  6. Step 6: Final answer
    x = 63,091,812.68

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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.