Home / 57,855,232.72-86,780,044.86-21,470,716.36

Finding the Fourth Proportional to 57,855,232.72, 86,780,044.86 and 21,470,716.36

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Solution

The fourth proportional to 57,855,232.72, 86,780,044.86 and 21,470,716.36 is: 32,205,033.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,855,232.72 : 86,780,044.86 = 21,470,716.36 : x
  2. Step 2: Convert to fraction form
    57,855,232.72/86,780,044.86 = 21,470,716.36/x
  3. Step 3: Cross multiply
    57,855,232.72x = 86,780,044.86 × 21,470,716.36
  4. Step 4: Simplify right side
    57,855,232.72x = 1,863,229,728,897,135.75
  5. Step 5: Solve for x
    x = 1,863,229,728,897,135.75/57,855,232.72
  6. Step 6: Final answer
    x = 32,205,033.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.