Home / 153,534,200.40-230,505,608.42-80,802,057.04

Finding the Fourth Proportional to 153,534,200.40, 230,505,608.42 and 80,802,057.04

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Solution

The fourth proportional to 153,534,200.40, 230,505,608.42 and 80,802,057.04 is: 121,310,608.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,534,200.40 : 230,505,608.42 = 80,802,057.04 : x
  2. Step 2: Convert to fraction form
    153,534,200.40/230,505,608.42 = 80,802,057.04/x
  3. Step 3: Cross multiply
    153,534,200.40x = 230,505,608.42 × 80,802,057.04
  4. Step 4: Simplify right side
    153,534,200.40x = 18,625,327,319,592,744
  5. Step 5: Solve for x
    x = 18,625,327,319,592,744/153,534,200.40
  6. Step 6: Final answer
    x = 121,310,608.78

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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.