Home / 299,530,108.14-413,392,611.87-172,368,173.22

Finding the Fourth Proportional to 299,530,108.14, 413,392,611.87 and 172,368,173.22

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Solution

The fourth proportional to 299,530,108.14, 413,392,611.87 and 172,368,173.22 is: 237,891,709.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,530,108.14 : 413,392,611.87 = 172,368,173.22 : x
  2. Step 2: Convert to fraction form
    299,530,108.14/413,392,611.87 = 172,368,173.22/x
  3. Step 3: Cross multiply
    299,530,108.14x = 413,392,611.87 × 172,368,173.22
  4. Step 4: Simplify right side
    299,530,108.14x = 71,255,729,330,676,392
  5. Step 5: Solve for x
    x = 71,255,729,330,676,392/299,530,108.14
  6. Step 6: Final answer
    x = 237,891,709.03

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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.