Home / 148,378,935.40-222,568,403.10-71,851,431.40

Finding the Fourth Proportional to 148,378,935.40, 222,568,403.10 and 71,851,431.40

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Solution

The fourth proportional to 148,378,935.40, 222,568,403.10 and 71,851,431.40 is: 107,777,147.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,378,935.40 : 222,568,403.10 = 71,851,431.40 : x
  2. Step 2: Convert to fraction form
    148,378,935.40/222,568,403.10 = 71,851,431.40/x
  3. Step 3: Cross multiply
    148,378,935.40x = 222,568,403.10 × 71,851,431.40
  4. Step 4: Simplify right side
    148,378,935.40x = 15,991,858,347,147,198
  5. Step 5: Solve for x
    x = 15,991,858,347,147,198/148,378,935.40
  6. Step 6: Final answer
    x = 107,777,147.10

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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.