Home / 89,109,618.30-133,645,765.05-43,703,999.10

Finding the Fourth Proportional to 89,109,618.30, 133,645,765.05 and 43,703,999.10

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Solution

The fourth proportional to 89,109,618.30, 133,645,765.05 and 43,703,999.10 is: 65,546,845.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,109,618.30 : 133,645,765.05 = 43,703,999.10 : x
  2. Step 2: Convert to fraction form
    89,109,618.30/133,645,765.05 = 43,703,999.10/x
  3. Step 3: Cross multiply
    89,109,618.30x = 133,645,765.05 × 43,703,999.10
  4. Step 4: Simplify right side
    89,109,618.30x = 5,840,854,395,464,012
  5. Step 5: Solve for x
    x = 5,840,854,395,464,012/89,109,618.30
  6. Step 6: Final answer
    x = 65,546,845.64

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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.