Home / 116,643,456.54-160,972,857.09-67,083,863.85

Finding the Fourth Proportional to 116,643,456.54, 160,972,857.09 and 67,083,863.85

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Solution

The fourth proportional to 116,643,456.54, 160,972,857.09 and 67,083,863.85 is: 92,578,542.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,643,456.54 : 160,972,857.09 = 67,083,863.85 : x
  2. Step 2: Convert to fraction form
    116,643,456.54/160,972,857.09 = 67,083,863.85/x
  3. Step 3: Cross multiply
    116,643,456.54x = 160,972,857.09 × 67,083,863.85
  4. Step 4: Simplify right side
    116,643,456.54x = 10,798,681,228,571,068
  5. Step 5: Solve for x
    x = 10,798,681,228,571,068/116,643,456.54
  6. Step 6: Final answer
    x = 92,578,542.76

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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.