Home / 126,513,663.32-189,796,377.83-43,504,635.03

Finding the Fourth Proportional to 126,513,663.32, 189,796,377.83 and 43,504,635.03

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Solution

The fourth proportional to 126,513,663.32, 189,796,377.83 and 43,504,635.03 is: 65,265,852.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,513,663.32 : 189,796,377.83 = 43,504,635.03 : x
  2. Step 2: Convert to fraction form
    126,513,663.32/189,796,377.83 = 43,504,635.03/x
  3. Step 3: Cross multiply
    126,513,663.32x = 189,796,377.83 × 43,504,635.03
  4. Step 4: Simplify right side
    126,513,663.32x = 8,257,022,147,618,896
  5. Step 5: Solve for x
    x = 8,257,022,147,618,896/126,513,663.32
  6. Step 6: Final answer
    x = 65,265,852.96

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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.