Home / 45,163,661,906.13-67,753,210,877.09-18,619,668,171.21

Finding the Fourth Proportional to 45,163,661,906.13, 67,753,210,877.09 and 18,619,668,171.21

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Solution

The fourth proportional to 45,163,661,906.13, 67,753,210,877.09 and 18,619,668,171.21 is: 27,932,684,171.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,163,661,906.13 : 67,753,210,877.09 = 18,619,668,171.21 : x
  2. Step 2: Convert to fraction form
    45,163,661,906.13/67,753,210,877.09 = 18,619,668,171.21/x
  3. Step 3: Cross multiply
    45,163,661,906.13x = 67,753,210,877.09 × 18,619,668,171.21
  4. Step 4: Simplify right side
    45,163,661,906.13x = 1,261,542,304,065,333,755,904
  5. Step 5: Solve for x
    x = 1,261,542,304,065,333,755,904/45,163,661,906.13
  6. Step 6: Final answer
    x = 27,932,684,171.79

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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.