Home / 187,979,815.80-259,412,892.30-105,468,213.24

Finding the Fourth Proportional to 187,979,815.80, 259,412,892.30 and 105,468,213.24

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Solution

The fourth proportional to 187,979,815.80, 259,412,892.30 and 105,468,213.24 is: 145,546,553.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,979,815.80 : 259,412,892.30 = 105,468,213.24 : x
  2. Step 2: Convert to fraction form
    187,979,815.80/259,412,892.30 = 105,468,213.24/x
  3. Step 3: Cross multiply
    187,979,815.80x = 259,412,892.30 × 105,468,213.24
  4. Step 4: Simplify right side
    187,979,815.80x = 27,359,814,242,301,552
  5. Step 5: Solve for x
    x = 27,359,814,242,301,552/187,979,815.80
  6. Step 6: Final answer
    x = 145,546,553.10

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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.