Home / 204,593,728.20-307,084,612.15-126,634,813.56

Finding the Fourth Proportional to 204,593,728.20, 307,084,612.15 and 126,634,813.56

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Solution

The fourth proportional to 204,593,728.20, 307,084,612.15 and 126,634,813.56 is: 190,072,310.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,593,728.20 : 307,084,612.15 = 126,634,813.56 : x
  2. Step 2: Convert to fraction form
    204,593,728.20/307,084,612.15 = 126,634,813.56/x
  3. Step 3: Cross multiply
    204,593,728.20x = 307,084,612.15 × 126,634,813.56
  4. Step 4: Simplify right side
    204,593,728.20x = 38,887,602,606,919,720
  5. Step 5: Solve for x
    x = 38,887,602,606,919,720/204,593,728.20
  6. Step 6: Final answer
    x = 190,072,310.38

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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.