Home / 89,109,616.80-133,645,762.80-43,703,997.60

Finding the Fourth Proportional to 89,109,616.80, 133,645,762.80 and 43,703,997.60

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Solution

The fourth proportional to 89,109,616.80, 133,645,762.80 and 43,703,997.60 is: 65,546,843.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,109,616.80 : 133,645,762.80 = 43,703,997.60 : x
  2. Step 2: Convert to fraction form
    89,109,616.80/133,645,762.80 = 43,703,997.60/x
  3. Step 3: Cross multiply
    89,109,616.80x = 133,645,762.80 × 43,703,997.60
  4. Step 4: Simplify right side
    89,109,616.80x = 5,840,854,096,661,369
  5. Step 5: Solve for x
    x = 5,840,854,096,661,369/89,109,616.80
  6. Step 6: Final answer
    x = 65,546,843.39

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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.