Home / 206,839,755.14-285,428,546.28-117,519,901.41

Finding the Fourth Proportional to 206,839,755.14, 285,428,546.28 and 117,519,901.41

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Solution

The fourth proportional to 206,839,755.14, 285,428,546.28 and 117,519,901.41 is: 162,171,602.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,839,755.14 : 285,428,546.28 = 117,519,901.41 : x
  2. Step 2: Convert to fraction form
    206,839,755.14/285,428,546.28 = 117,519,901.41/x
  3. Step 3: Cross multiply
    206,839,755.14x = 285,428,546.28 × 117,519,901.41
  4. Step 4: Simplify right side
    206,839,755.14x = 33,543,534,616,591,804
  5. Step 5: Solve for x
    x = 33,543,534,616,591,804/206,839,755.14
  6. Step 6: Final answer
    x = 162,171,602.82

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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.