Home / 258,114,414.25-356,193,406.89-140,640,709.80

Finding the Fourth Proportional to 258,114,414.25, 356,193,406.89 and 140,640,709.80

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Solution

The fourth proportional to 258,114,414.25, 356,193,406.89 and 140,640,709.80 is: 194,081,735.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,114,414.25 : 356,193,406.89 = 140,640,709.80 : x
  2. Step 2: Convert to fraction form
    258,114,414.25/356,193,406.89 = 140,640,709.80/x
  3. Step 3: Cross multiply
    258,114,414.25x = 356,193,406.89 × 140,640,709.80
  4. Step 4: Simplify right side
    258,114,414.25x = 50,095,293,571,089,816
  5. Step 5: Solve for x
    x = 50,095,293,571,089,816/258,114,414.25
  6. Step 6: Final answer
    x = 194,081,735.87

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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.