Home / 188,064,874.98-259,515,289.67-105,542,716.50

Finding the Fourth Proportional to 188,064,874.98, 259,515,289.67 and 105,542,716.50

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Solution

The fourth proportional to 188,064,874.98, 259,515,289.67 and 105,542,716.50 is: 145,640,958.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,064,874.98 : 259,515,289.67 = 105,542,716.50 : x
  2. Step 2: Convert to fraction form
    188,064,874.98/259,515,289.67 = 105,542,716.50/x
  3. Step 3: Cross multiply
    188,064,874.98x = 259,515,289.67 × 105,542,716.50
  4. Step 4: Simplify right side
    188,064,874.98x = 27,389,948,644,528,476
  5. Step 5: Solve for x
    x = 27,389,948,644,528,476/188,064,874.98
  6. Step 6: Final answer
    x = 145,640,958.46

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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.