Home / 135,972,530,152.80-203,958,795,229.20-86,505,151,567.20

Finding the Fourth Proportional to 135,972,530,152.80, 203,958,795,229.20 and 86,505,151,567.20

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Solution

The fourth proportional to 135,972,530,152.80, 203,958,795,229.20 and 86,505,151,567.20 is: 129,757,727,350.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,972,530,152.80 : 203,958,795,229.20 = 86,505,151,567.20 : x
  2. Step 2: Convert to fraction form
    135,972,530,152.80/203,958,795,229.20 = 86,505,151,567.20/x
  3. Step 3: Cross multiply
    135,972,530,152.80x = 203,958,795,229.20 × 86,505,151,567.20
  4. Step 4: Simplify right side
    135,972,530,152.80x = 17,643,486,494,765,453,672,448
  5. Step 5: Solve for x
    x = 17,643,486,494,765,453,672,448/135,972,530,152.80
  6. Step 6: Final answer
    x = 129,757,727,350.80

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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.