Home / 135,571,244.13-187,108,767.57-82,678,637.52

Finding the Fourth Proportional to 135,571,244.13, 187,108,767.57 and 82,678,637.52

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Solution

The fourth proportional to 135,571,244.13, 187,108,767.57 and 82,678,637.52 is: 114,108,991.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,571,244.13 : 187,108,767.57 = 82,678,637.52 : x
  2. Step 2: Convert to fraction form
    135,571,244.13/187,108,767.57 = 82,678,637.52/x
  3. Step 3: Cross multiply
    135,571,244.13x = 187,108,767.57 × 82,678,637.52
  4. Step 4: Simplify right side
    135,571,244.13x = 15,469,897,969,798,416
  5. Step 5: Solve for x
    x = 15,469,897,969,798,416/135,571,244.13
  6. Step 6: Final answer
    x = 114,108,991.69

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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.