Home / 232,738,570.09-321,485,809.81-172,509,661.33

Finding the Fourth Proportional to 232,738,570.09, 321,485,809.81 and 172,509,661.33

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Solution

The fourth proportional to 232,738,570.09, 321,485,809.81 and 172,509,661.33 is: 238,290,577.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,738,570.09 : 321,485,809.81 = 172,509,661.33 : x
  2. Step 2: Convert to fraction form
    232,738,570.09/321,485,809.81 = 172,509,661.33/x
  3. Step 3: Cross multiply
    232,738,570.09x = 321,485,809.81 × 172,509,661.33
  4. Step 4: Simplify right side
    232,738,570.09x = 55,459,408,173,619,968
  5. Step 5: Solve for x
    x = 55,459,408,173,619,968/232,738,570.09
  6. Step 6: Final answer
    x = 238,290,577.07

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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.