Home / 68,192,198.72-102,328,652.64-25,091,668.16

Finding the Fourth Proportional to 68,192,198.72, 102,328,652.64 and 25,091,668.16

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Solution

The fourth proportional to 68,192,198.72, 102,328,652.64 and 25,091,668.16 is: 37,652,350.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,192,198.72 : 102,328,652.64 = 25,091,668.16 : x
  2. Step 2: Convert to fraction form
    68,192,198.72/102,328,652.64 = 25,091,668.16/x
  3. Step 3: Cross multiply
    68,192,198.72x = 102,328,652.64 × 25,091,668.16
  4. Step 4: Simplify right side
    68,192,198.72x = 2,567,596,595,302,788
  5. Step 5: Solve for x
    x = 2,567,596,595,302,788/68,192,198.72
  6. Step 6: Final answer
    x = 37,652,350.91

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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.