Home / 67,227,192.46-100,844,364.45-21,172,663.02

Finding the Fourth Proportional to 67,227,192.46, 100,844,364.45 and 21,172,663.02

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Solution

The fourth proportional to 67,227,192.46, 100,844,364.45 and 21,172,663.02 is: 31,760,120.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,227,192.46 : 100,844,364.45 = 21,172,663.02 : x
  2. Step 2: Convert to fraction form
    67,227,192.46/100,844,364.45 = 21,172,663.02/x
  3. Step 3: Cross multiply
    67,227,192.46x = 100,844,364.45 × 21,172,663.02
  4. Step 4: Simplify right side
    67,227,192.46x = 2,135,143,745,856,232
  5. Step 5: Solve for x
    x = 2,135,143,745,856,232/67,227,192.46
  6. Step 6: Final answer
    x = 31,760,120.69

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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.