Home / 89,093,645.20-133,640,467.80-43,744,013.20

Finding the Fourth Proportional to 89,093,645.20, 133,640,467.80 and 43,744,013.20

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Solution

The fourth proportional to 89,093,645.20, 133,640,467.80 and 43,744,013.20 is: 65,616,019.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,093,645.20 : 133,640,467.80 = 43,744,013.20 : x
  2. Step 2: Convert to fraction form
    89,093,645.20/133,640,467.80 = 43,744,013.20/x
  3. Step 3: Cross multiply
    89,093,645.20x = 133,640,467.80 × 43,744,013.20
  4. Step 4: Simplify right side
    89,093,645.20x = 5,845,970,387,497,375
  5. Step 5: Solve for x
    x = 5,845,970,387,497,375/89,093,645.20
  6. Step 6: Final answer
    x = 65,616,019.80

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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.