Home / 193,547,900.20-290,321,850.30-173,840,405.80

Finding the Fourth Proportional to 193,547,900.20, 290,321,850.30 and 173,840,405.80

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Solution

The fourth proportional to 193,547,900.20, 290,321,850.30 and 173,840,405.80 is: 260,760,608.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,547,900.20 : 290,321,850.30 = 173,840,405.80 : x
  2. Step 2: Convert to fraction form
    193,547,900.20/290,321,850.30 = 173,840,405.80/x
  3. Step 3: Cross multiply
    193,547,900.20x = 290,321,850.30 × 173,840,405.80
  4. Step 4: Simplify right side
    193,547,900.20x = 50,469,668,268,758,856
  5. Step 5: Solve for x
    x = 50,469,668,268,758,856/193,547,900.20
  6. Step 6: Final answer
    x = 260,760,608.70

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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.