Home / 69,788,737.20-104,694,467.97-20,609,564.94

Finding the Fourth Proportional to 69,788,737.20, 104,694,467.97 and 20,609,564.94

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Solution

The fourth proportional to 69,788,737.20, 104,694,467.97 and 20,609,564.94 is: 30,917,702.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,788,737.20 : 104,694,467.97 = 20,609,564.94 : x
  2. Step 2: Convert to fraction form
    69,788,737.20/104,694,467.97 = 20,609,564.94/x
  3. Step 3: Cross multiply
    69,788,737.20x = 104,694,467.97 × 20,609,564.94
  4. Step 4: Simplify right side
    69,788,737.20x = 2,157,707,436,486,465
  5. Step 5: Solve for x
    x = 2,157,707,436,486,465/69,788,737.20
  6. Step 6: Final answer
    x = 30,917,702.81

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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.