Home / 66,636,161.92-99,944,103.84-25,689,625.12

Finding the Fourth Proportional to 66,636,161.92, 99,944,103.84 and 25,689,625.12

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Solution

The fourth proportional to 66,636,161.92, 99,944,103.84 and 25,689,625.12 is: 38,530,528.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,636,161.92 : 99,944,103.84 = 25,689,625.12 : x
  2. Step 2: Convert to fraction form
    66,636,161.92/99,944,103.84 = 25,689,625.12/x
  3. Step 3: Cross multiply
    66,636,161.92x = 99,944,103.84 × 25,689,625.12
  4. Step 4: Simplify right side
    66,636,161.92x = 2,567,526,560,603,952.50
  5. Step 5: Solve for x
    x = 2,567,526,560,603,952.50/66,636,161.92
  6. Step 6: Final answer
    x = 38,530,528.87

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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.