Home / 308,719,194.89-426,033,232.70-169,498,930.73

Finding the Fourth Proportional to 308,719,194.89, 426,033,232.70 and 169,498,930.73

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Solution

The fourth proportional to 308,719,194.89, 426,033,232.70 and 169,498,930.73 is: 233,908,932.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,719,194.89 : 426,033,232.70 = 169,498,930.73 : x
  2. Step 2: Convert to fraction form
    308,719,194.89/426,033,232.70 = 169,498,930.73/x
  3. Step 3: Cross multiply
    308,719,194.89x = 426,033,232.70 × 169,498,930.73
  4. Step 4: Simplify right side
    308,719,194.89x = 72,212,177,395,117,600
  5. Step 5: Solve for x
    x = 72,212,177,395,117,600/308,719,194.89
  6. Step 6: Final answer
    x = 233,908,932.75

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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.