Home / 193,564,507.68-290,347,046.46-147,766,414.92

Finding the Fourth Proportional to 193,564,507.68, 290,347,046.46 and 147,766,414.92

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Solution

The fourth proportional to 193,564,507.68, 290,347,046.46 and 147,766,414.92 is: 221,649,839.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,564,507.68 : 290,347,046.46 = 147,766,414.92 : x
  2. Step 2: Convert to fraction form
    193,564,507.68/290,347,046.46 = 147,766,414.92/x
  3. Step 3: Cross multiply
    193,564,507.68x = 290,347,046.46 × 147,766,414.92
  4. Step 4: Simplify right side
    193,564,507.68x = 42,903,542,138,004,872
  5. Step 5: Solve for x
    x = 42,903,542,138,004,872/193,564,507.68
  6. Step 6: Final answer
    x = 221,649,839.90

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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.