Home / 285,388,793.89-393,829,837.18-167,921,732.46

Finding the Fourth Proportional to 285,388,793.89, 393,829,837.18 and 167,921,732.46

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Solution

The fourth proportional to 285,388,793.89, 393,829,837.18 and 167,921,732.46 is: 231,728,049.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,388,793.89 : 393,829,837.18 = 167,921,732.46 : x
  2. Step 2: Convert to fraction form
    285,388,793.89/393,829,837.18 = 167,921,732.46/x
  3. Step 3: Cross multiply
    285,388,793.89x = 393,829,837.18 × 167,921,732.46
  4. Step 4: Simplify right side
    285,388,793.89x = 66,132,588,553,705,328
  5. Step 5: Solve for x
    x = 66,132,588,553,705,328/285,388,793.89
  6. Step 6: Final answer
    x = 231,728,049.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.