Home / 80,450,846.91-111,025,824.57-47,412,490.41

Finding the Fourth Proportional to 80,450,846.91, 111,025,824.57 and 47,412,490.41

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Solution

The fourth proportional to 80,450,846.91, 111,025,824.57 and 47,412,490.41 is: 65,431,391.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,450,846.91 : 111,025,824.57 = 47,412,490.41 : x
  2. Step 2: Convert to fraction form
    80,450,846.91/111,025,824.57 = 47,412,490.41/x
  3. Step 3: Cross multiply
    80,450,846.91x = 111,025,824.57 × 47,412,490.41
  4. Step 4: Simplify right side
    80,450,846.91x = 5,264,010,842,687,467
  5. Step 5: Solve for x
    x = 5,264,010,842,687,467/80,450,846.91
  6. Step 6: Final answer
    x = 65,431,391.28

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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.