Home / 126,070,896.38-188,718,485.46-82,257,313.39

Finding the Fourth Proportional to 126,070,896.38, 188,718,485.46 and 82,257,313.39

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Solution

The fourth proportional to 126,070,896.38, 188,718,485.46 and 82,257,313.39 is: 123,132,904.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,070,896.38 : 188,718,485.46 = 82,257,313.39 : x
  2. Step 2: Convert to fraction form
    126,070,896.38/188,718,485.46 = 82,257,313.39/x
  3. Step 3: Cross multiply
    126,070,896.38x = 188,718,485.46 × 82,257,313.39
  4. Step 4: Simplify right side
    126,070,896.38x = 15,523,475,600,189,118
  5. Step 5: Solve for x
    x = 15,523,475,600,189,118/126,070,896.38
  6. Step 6: Final answer
    x = 123,132,904.16

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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.