Home / 207,263,639.88-311,003,057.79-84,531,999.24

Finding the Fourth Proportional to 207,263,639.88, 311,003,057.79 and 84,531,999.24

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Solution

The fourth proportional to 207,263,639.88, 311,003,057.79 and 84,531,999.24 is: 126,841,882.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,263,639.88 : 311,003,057.79 = 84,531,999.24 : x
  2. Step 2: Convert to fraction form
    207,263,639.88/311,003,057.79 = 84,531,999.24/x
  3. Step 3: Cross multiply
    207,263,639.88x = 311,003,057.79 × 84,531,999.24
  4. Step 4: Simplify right side
    207,263,639.88x = 26,289,710,244,741,956
  5. Step 5: Solve for x
    x = 26,289,710,244,741,956/207,263,639.88
  6. Step 6: Final answer
    x = 126,841,882.44

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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.