Home / 339,543,656.88-509,314,849.44-106,392,217.44

Finding the Fourth Proportional to 339,543,656.88, 509,314,849.44 and 106,392,217.44

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Solution

The fourth proportional to 339,543,656.88, 509,314,849.44 and 106,392,217.44 is: 159,588,126.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,543,656.88 : 509,314,849.44 = 106,392,217.44 : x
  2. Step 2: Convert to fraction form
    339,543,656.88/509,314,849.44 = 106,392,217.44/x
  3. Step 3: Cross multiply
    339,543,656.88x = 509,314,849.44 × 106,392,217.44
  4. Step 4: Simplify right side
    339,543,656.88x = 54,187,136,207,041,344
  5. Step 5: Solve for x
    x = 54,187,136,207,041,344/339,543,656.88
  6. Step 6: Final answer
    x = 159,588,126.91

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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.