Home / 285,079,441.56-393,409,629.39-154,699,249.56

Finding the Fourth Proportional to 285,079,441.56, 393,409,629.39 and 154,699,249.56

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Solution

The fourth proportional to 285,079,441.56, 393,409,629.39 and 154,699,249.56 is: 213,484,964.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,079,441.56 : 393,409,629.39 = 154,699,249.56 : x
  2. Step 2: Convert to fraction form
    285,079,441.56/393,409,629.39 = 154,699,249.56/x
  3. Step 3: Cross multiply
    285,079,441.56x = 393,409,629.39 × 154,699,249.56
  4. Step 4: Simplify right side
    285,079,441.56x = 60,860,174,436,310,720
  5. Step 5: Solve for x
    x = 60,860,174,436,310,720/285,079,441.56
  6. Step 6: Final answer
    x = 213,484,964.41

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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.