Home / 87,816,786.21-131,713,221.69-23,115,173.13

Finding the Fourth Proportional to 87,816,786.21, 131,713,221.69 and 23,115,173.13

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Solution

The fourth proportional to 87,816,786.21, 131,713,221.69 and 23,115,173.13 is: 34,669,612.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,816,786.21 : 131,713,221.69 = 23,115,173.13 : x
  2. Step 2: Convert to fraction form
    87,816,786.21/131,713,221.69 = 23,115,173.13/x
  3. Step 3: Cross multiply
    87,816,786.21x = 131,713,221.69 × 23,115,173.13
  4. Step 4: Simplify right side
    87,816,786.21x = 3,044,573,922,874,421
  5. Step 5: Solve for x
    x = 3,044,573,922,874,421/87,816,786.21
  6. Step 6: Final answer
    x = 34,669,612.20

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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.