Home / 115,820,867.56-159,846,977.46-66,928,295.56

Finding the Fourth Proportional to 115,820,867.56, 159,846,977.46 and 66,928,295.56

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Solution

The fourth proportional to 115,820,867.56, 159,846,977.46 and 66,928,295.56 is: 92,369,242.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,820,867.56 : 159,846,977.46 = 66,928,295.56 : x
  2. Step 2: Convert to fraction form
    115,820,867.56/159,846,977.46 = 66,928,295.56/x
  3. Step 3: Cross multiply
    115,820,867.56x = 159,846,977.46 × 66,928,295.56
  4. Step 4: Simplify right side
    115,820,867.56x = 10,698,285,751,815,540
  5. Step 5: Solve for x
    x = 10,698,285,751,815,540/115,820,867.56
  6. Step 6: Final answer
    x = 92,369,242.06

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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.