Home / 193,546,606.80-290,319,910.20-145,770,862.80

Finding the Fourth Proportional to 193,546,606.80, 290,319,910.20 and 145,770,862.80

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Solution

The fourth proportional to 193,546,606.80, 290,319,910.20 and 145,770,862.80 is: 218,656,294.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,546,606.80 : 290,319,910.20 = 145,770,862.80 : x
  2. Step 2: Convert to fraction form
    193,546,606.80/290,319,910.20 = 145,770,862.80/x
  3. Step 3: Cross multiply
    193,546,606.80x = 290,319,910.20 × 145,770,862.80
  4. Step 4: Simplify right side
    193,546,606.80x = 42,320,183,797,872,520
  5. Step 5: Solve for x
    x = 42,320,183,797,872,520/193,546,606.80
  6. Step 6: Final answer
    x = 218,656,294.20

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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.