Home / 232,738,571.09-321,485,811.19-172,509,662.33

Finding the Fourth Proportional to 232,738,571.09, 321,485,811.19 and 172,509,662.33

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Solution

The fourth proportional to 232,738,571.09, 321,485,811.19 and 172,509,662.33 is: 238,290,578.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,738,571.09 : 321,485,811.19 = 172,509,662.33 : x
  2. Step 2: Convert to fraction form
    232,738,571.09/321,485,811.19 = 172,509,662.33/x
  3. Step 3: Cross multiply
    232,738,571.09x = 321,485,811.19 × 172,509,662.33
  4. Step 4: Simplify right side
    232,738,571.09x = 55,459,408,732,273,040
  5. Step 5: Solve for x
    x = 55,459,408,732,273,040/232,738,571.09
  6. Step 6: Final answer
    x = 238,290,578.45

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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.