Home / 139,628,691,906.39-209,472,452,936.70-45,294,273,838.71

Finding the Fourth Proportional to 139,628,691,906.39, 209,472,452,936.70 and 45,294,273,838.71

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Solution

The fourth proportional to 139,628,691,906.39, 209,472,452,936.70 and 45,294,273,838.71 is: 67,950,952,740.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,628,691,906.39 : 209,472,452,936.70 = 45,294,273,838.71 : x
  2. Step 2: Convert to fraction form
    139,628,691,906.39/209,472,452,936.70 = 45,294,273,838.71/x
  3. Step 3: Cross multiply
    139,628,691,906.39x = 209,472,452,936.70 × 45,294,273,838.71
  4. Step 4: Simplify right side
    139,628,691,906.39x = 9,487,902,644,981,181,972,480
  5. Step 5: Solve for x
    x = 9,487,902,644,981,181,972,480/139,628,691,906.39
  6. Step 6: Final answer
    x = 67,950,952,740.73

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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.