Home / 181,991,109.45-272,959,755.87-66,948,747.57

Finding the Fourth Proportional to 181,991,109.45, 272,959,755.87 and 66,948,747.57

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Solution

The fourth proportional to 181,991,109.45, 272,959,755.87 and 66,948,747.57 is: 100,413,222.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,991,109.45 : 272,959,755.87 = 66,948,747.57 : x
  2. Step 2: Convert to fraction form
    181,991,109.45/272,959,755.87 = 66,948,747.57/x
  3. Step 3: Cross multiply
    181,991,109.45x = 272,959,755.87 × 66,948,747.57
  4. Step 4: Simplify right side
    181,991,109.45x = 18,274,313,792,509,456
  5. Step 5: Solve for x
    x = 18,274,313,792,509,456/181,991,109.45
  6. Step 6: Final answer
    x = 100,413,222.64

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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.