Home / 115,985,721.29-173,863,662.98-54,464,751.38

Finding the Fourth Proportional to 115,985,721.29, 173,863,662.98 and 54,464,751.38

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Solution

The fourth proportional to 115,985,721.29, 173,863,662.98 and 54,464,751.38 is: 81,643,163.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,985,721.29 : 173,863,662.98 = 54,464,751.38 : x
  2. Step 2: Convert to fraction form
    115,985,721.29/173,863,662.98 = 54,464,751.38/x
  3. Step 3: Cross multiply
    115,985,721.29x = 173,863,662.98 × 54,464,751.38
  4. Step 4: Simplify right side
    115,985,721.29x = 9,469,441,178,384,146
  5. Step 5: Solve for x
    x = 9,469,441,178,384,146/115,985,721.29
  6. Step 6: Final answer
    x = 81,643,163.26

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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.