Home / 245,816,022.20-339,226,475.42-139,969,523.75

Finding the Fourth Proportional to 245,816,022.20, 339,226,475.42 and 139,969,523.75

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Solution

The fourth proportional to 245,816,022.20, 339,226,475.42 and 139,969,523.75 is: 193,158,150.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,816,022.20 : 339,226,475.42 = 139,969,523.75 : x
  2. Step 2: Convert to fraction form
    245,816,022.20/339,226,475.42 = 139,969,523.75/x
  3. Step 3: Cross multiply
    245,816,022.20x = 339,226,475.42 × 139,969,523.75
  4. Step 4: Simplify right side
    245,816,022.20x = 47,481,368,207,928,480
  5. Step 5: Solve for x
    x = 47,481,368,207,928,480/245,816,022.20
  6. Step 6: Final answer
    x = 193,158,150.49

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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.