Home / 207,717,469.62-285,149,063.15-178,297,726.92

Finding the Fourth Proportional to 207,717,469.62, 285,149,063.15 and 178,297,726.92

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Solution

The fourth proportional to 207,717,469.62, 285,149,063.15 and 178,297,726.92 is: 244,762,416.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,717,469.62 : 285,149,063.15 = 178,297,726.92 : x
  2. Step 2: Convert to fraction form
    207,717,469.62/285,149,063.15 = 178,297,726.92/x
  3. Step 3: Cross multiply
    207,717,469.62x = 285,149,063.15 × 178,297,726.92
  4. Step 4: Simplify right side
    207,717,469.62x = 50,841,429,792,121,040
  5. Step 5: Solve for x
    x = 50,841,429,792,121,040/207,717,469.62
  6. Step 6: Final answer
    x = 244,762,416.40

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.