Home / 75,696,936.93-113,543,775.27-21,108,067.77

Finding the Fourth Proportional to 75,696,936.93, 113,543,775.27 and 21,108,067.77

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Solution

The fourth proportional to 75,696,936.93, 113,543,775.27 and 21,108,067.77 is: 31,661,647.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,696,936.93 : 113,543,775.27 = 21,108,067.77 : x
  2. Step 2: Convert to fraction form
    75,696,936.93/113,543,775.27 = 21,108,067.77/x
  3. Step 3: Cross multiply
    75,696,936.93x = 113,543,775.27 × 21,108,067.77
  4. Step 4: Simplify right side
    75,696,936.93x = 2,396,689,703,260,810
  5. Step 5: Solve for x
    x = 2,396,689,703,260,810/75,696,936.93
  6. Step 6: Final answer
    x = 31,661,647.10

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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.