Home / 226,300,007.80-339,450,011.70-212,907,694.60

Finding the Fourth Proportional to 226,300,007.80, 339,450,011.70 and 212,907,694.60

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Solution

The fourth proportional to 226,300,007.80, 339,450,011.70 and 212,907,694.60 is: 319,361,541.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,300,007.80 : 339,450,011.70 = 212,907,694.60 : x
  2. Step 2: Convert to fraction form
    226,300,007.80/339,450,011.70 = 212,907,694.60/x
  3. Step 3: Cross multiply
    226,300,007.80x = 339,450,011.70 × 212,907,694.60
  4. Step 4: Simplify right side
    226,300,007.80x = 72,271,519,422,990,016
  5. Step 5: Solve for x
    x = 72,271,519,422,990,016/226,300,007.80
  6. Step 6: Final answer
    x = 319,361,541.90

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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.