Home / 207,263,639.97-311,003,057.93-84,531,999.33

Finding the Fourth Proportional to 207,263,639.97, 311,003,057.93 and 84,531,999.33

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Solution

The fourth proportional to 207,263,639.97, 311,003,057.93 and 84,531,999.33 is: 126,841,882.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,263,639.97 : 311,003,057.93 = 84,531,999.33 : x
  2. Step 2: Convert to fraction form
    207,263,639.97/311,003,057.93 = 84,531,999.33/x
  3. Step 3: Cross multiply
    207,263,639.97x = 311,003,057.93 × 84,531,999.33
  4. Step 4: Simplify right side
    207,263,639.97x = 26,289,710,285,786,228
  5. Step 5: Solve for x
    x = 26,289,710,285,786,228/207,263,639.97
  6. Step 6: Final answer
    x = 126,841,882.59

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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.