Home / 193,555,359.90-290,333,039.85-172,392,198.30

Finding the Fourth Proportional to 193,555,359.90, 290,333,039.85 and 172,392,198.30

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Solution

The fourth proportional to 193,555,359.90, 290,333,039.85 and 172,392,198.30 is: 258,588,297.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,555,359.90 : 290,333,039.85 = 172,392,198.30 : x
  2. Step 2: Convert to fraction form
    193,555,359.90/290,333,039.85 = 172,392,198.30/x
  3. Step 3: Cross multiply
    193,555,359.90x = 290,333,039.85 × 172,392,198.30
  4. Step 4: Simplify right side
    193,555,359.90x = 50,051,150,978,863,008
  5. Step 5: Solve for x
    x = 50,051,150,978,863,008/193,555,359.90
  6. Step 6: Final answer
    x = 258,588,297.45

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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.