Home / 117,517,771.92-162,003,603-82,125,694.32

Finding the Fourth Proportional to 117,517,771.92, 162,003,603 and 82,125,694.32

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Solution

The fourth proportional to 117,517,771.92, 162,003,603 and 82,125,694.32 is: 113,214,011.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,517,771.92 : 162,003,603 = 82,125,694.32 : x
  2. Step 2: Convert to fraction form
    117,517,771.92/162,003,603 = 82,125,694.32/x
  3. Step 3: Cross multiply
    117,517,771.92x = 162,003,603 × 82,125,694.32
  4. Step 4: Simplify right side
    117,517,771.92x = 13,304,658,378,716,634
  5. Step 5: Solve for x
    x = 13,304,658,378,716,634/117,517,771.92
  6. Step 6: Final answer
    x = 113,214,011.48

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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.