Home / 80,702,600.73-111,360,392.12-45,413,589.73

Finding the Fourth Proportional to 80,702,600.73, 111,360,392.12 and 45,413,589.73

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Solution

The fourth proportional to 80,702,600.73, 111,360,392.12 and 45,413,589.73 is: 62,665,578.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,702,600.73 : 111,360,392.12 = 45,413,589.73 : x
  2. Step 2: Convert to fraction form
    80,702,600.73/111,360,392.12 = 45,413,589.73/x
  3. Step 3: Cross multiply
    80,702,600.73x = 111,360,392.12 × 45,413,589.73
  4. Step 4: Simplify right side
    80,702,600.73x = 5,057,275,159,352,803
  5. Step 5: Solve for x
    x = 5,057,275,159,352,803/80,702,600.73
  6. Step 6: Final answer
    x = 62,665,578.48

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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.