Home / 66,964,285.17-100,446,766.34-20,902,293

Finding the Fourth Proportional to 66,964,285.17, 100,446,766.34 and 20,902,293

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Solution

The fourth proportional to 66,964,285.17, 100,446,766.34 and 20,902,293 is: 31,353,545.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,964,285.17 : 100,446,766.34 = 20,902,293 : x
  2. Step 2: Convert to fraction form
    66,964,285.17/100,446,766.34 = 20,902,293/x
  3. Step 3: Cross multiply
    66,964,285.17x = 100,446,766.34 × 20,902,293
  4. Step 4: Simplify right side
    66,964,285.17x = 2,099,567,740,836,706
  5. Step 5: Solve for x
    x = 2,099,567,740,836,706/66,964,285.17
  6. Step 6: Final answer
    x = 31,353,545.18

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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.