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Finding the Fourth Proportional to 67,663,490.62, 93,375,707.97 and 36,723,660.34

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Solution

The fourth proportional to 67,663,490.62, 93,375,707.97 and 36,723,660.34 is: 50,678,700.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,663,490.62 : 93,375,707.97 = 36,723,660.34 : x
  2. Step 2: Convert to fraction form
    67,663,490.62/93,375,707.97 = 36,723,660.34/x
  3. Step 3: Cross multiply
    67,663,490.62x = 93,375,707.97 × 36,723,660.34
  4. Step 4: Simplify right side
    67,663,490.62x = 3,429,097,783,497,311
  5. Step 5: Solve for x
    x = 3,429,097,783,497,311/67,663,490.62
  6. Step 6: Final answer
    x = 50,678,700.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.