Home / 339,543,554.52-509,314,696.09-106,392,115.32

Finding the Fourth Proportional to 339,543,554.52, 509,314,696.09 and 106,392,115.32

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Solution

The fourth proportional to 339,543,554.52, 509,314,696.09 and 106,392,115.32 is: 159,587,973.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,543,554.52 : 509,314,696.09 = 106,392,115.32 : x
  2. Step 2: Convert to fraction form
    339,543,554.52/509,314,696.09 = 106,392,115.32/x
  3. Step 3: Cross multiply
    339,543,554.52x = 509,314,696.09 × 106,392,115.32
  4. Step 4: Simplify right side
    339,543,554.52x = 54,187,067,882,789,168
  5. Step 5: Solve for x
    x = 54,187,067,882,789,168/339,543,554.52
  6. Step 6: Final answer
    x = 159,587,973.80

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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.