Home / 148,823,321.37-205,387,685.42-89,286,857.97

Finding the Fourth Proportional to 148,823,321.37, 205,387,685.42 and 89,286,857.97

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Solution

The fourth proportional to 148,823,321.37, 205,387,685.42 and 89,286,857.97 is: 123,222,764.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,823,321.37 : 205,387,685.42 = 89,286,857.97 : x
  2. Step 2: Convert to fraction form
    148,823,321.37/205,387,685.42 = 89,286,857.97/x
  3. Step 3: Cross multiply
    148,823,321.37x = 205,387,685.42 × 89,286,857.97
  4. Step 4: Simplify right side
    148,823,321.37x = 18,338,421,096,436,144
  5. Step 5: Solve for x
    x = 18,338,421,096,436,144/148,823,321.37
  6. Step 6: Final answer
    x = 123,222,764.60

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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.