Home / 245,722,891-339,095,357.04-134,213,708.56

Finding the Fourth Proportional to 245,722,891, 339,095,357.04 and 134,213,708.56

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Solution

The fourth proportional to 245,722,891, 339,095,357.04 and 134,213,708.56 is: 185,213,698.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,722,891 : 339,095,357.04 = 134,213,708.56 : x
  2. Step 2: Convert to fraction form
    245,722,891/339,095,357.04 = 134,213,708.56/x
  3. Step 3: Cross multiply
    245,722,891x = 339,095,357.04 × 134,213,708.56
  4. Step 4: Simplify right side
    245,722,891x = 45,511,245,423,815,704
  5. Step 5: Solve for x
    x = 45,511,245,423,815,704/245,722,891
  6. Step 6: Final answer
    x = 185,213,698.40

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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.