Home / 87,967,141.80-131,950,712.70-55,513,811.40

Finding the Fourth Proportional to 87,967,141.80, 131,950,712.70 and 55,513,811.40

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Solution

The fourth proportional to 87,967,141.80, 131,950,712.70 and 55,513,811.40 is: 83,270,717.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,967,141.80 : 131,950,712.70 = 55,513,811.40 : x
  2. Step 2: Convert to fraction form
    87,967,141.80/131,950,712.70 = 55,513,811.40/x
  3. Step 3: Cross multiply
    87,967,141.80x = 131,950,712.70 × 55,513,811.40
  4. Step 4: Simplify right side
    87,967,141.80x = 7,325,086,978,923,385
  5. Step 5: Solve for x
    x = 7,325,086,978,923,385/87,967,141.80
  6. Step 6: Final answer
    x = 83,270,717.10

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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.