Home / 193,795,824.64-290,814,757.76-129,144,993.92

Finding the Fourth Proportional to 193,795,824.64, 290,814,757.76 and 129,144,993.92

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Solution

The fourth proportional to 193,795,824.64, 290,814,757.76 and 129,144,993.92 is: 193,798,138.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,795,824.64 : 290,814,757.76 = 129,144,993.92 : x
  2. Step 2: Convert to fraction form
    193,795,824.64/290,814,757.76 = 129,144,993.92/x
  3. Step 3: Cross multiply
    193,795,824.64x = 290,814,757.76 × 129,144,993.92
  4. Step 4: Simplify right side
    193,795,824.64x = 37,557,270,122,761,472
  5. Step 5: Solve for x
    x = 37,557,270,122,761,472/193,795,824.64
  6. Step 6: Final answer
    x = 193,798,138.80

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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.