Home / 193,546,608.30-290,319,912.45-145,770,864.30

Finding the Fourth Proportional to 193,546,608.30, 290,319,912.45 and 145,770,864.30

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Solution

The fourth proportional to 193,546,608.30, 290,319,912.45 and 145,770,864.30 is: 218,656,296.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,546,608.30 : 290,319,912.45 = 145,770,864.30 : x
  2. Step 2: Convert to fraction form
    193,546,608.30/290,319,912.45 = 145,770,864.30/x
  3. Step 3: Cross multiply
    193,546,608.30x = 290,319,912.45 × 145,770,864.30
  4. Step 4: Simplify right side
    193,546,608.30x = 42,320,184,561,336,832
  5. Step 5: Solve for x
    x = 42,320,184,561,336,832/193,546,608.30
  6. Step 6: Final answer
    x = 218,656,296.45

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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.