Home / 171,928,917.20-257,893,375.80-161,842,926.80

Finding the Fourth Proportional to 171,928,917.20, 257,893,375.80 and 161,842,926.80

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Solution

The fourth proportional to 171,928,917.20, 257,893,375.80 and 161,842,926.80 is: 242,764,390.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,928,917.20 : 257,893,375.80 = 161,842,926.80 : x
  2. Step 2: Convert to fraction form
    171,928,917.20/257,893,375.80 = 161,842,926.80/x
  3. Step 3: Cross multiply
    171,928,917.20x = 257,893,375.80 × 161,842,926.80
  4. Step 4: Simplify right side
    171,928,917.20x = 41,738,218,741,804,296
  5. Step 5: Solve for x
    x = 41,738,218,741,804,296/171,928,917.20
  6. Step 6: Final answer
    x = 242,764,390.20

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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.