Home / 275,112,845.51-412,669,194.42-188,588,936.30

Finding the Fourth Proportional to 275,112,845.51, 412,669,194.42 and 188,588,936.30

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Solution

The fourth proportional to 275,112,845.51, 412,669,194.42 and 188,588,936.30 is: 282,883,353.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,112,845.51 : 412,669,194.42 = 188,588,936.30 : x
  2. Step 2: Convert to fraction form
    275,112,845.51/412,669,194.42 = 188,588,936.30/x
  3. Step 3: Cross multiply
    275,112,845.51x = 412,669,194.42 × 188,588,936.30
  4. Step 4: Simplify right side
    275,112,845.51x = 77,824,844,417,382,352
  5. Step 5: Solve for x
    x = 77,824,844,417,382,352/275,112,845.51
  6. Step 6: Final answer
    x = 282,883,353.83

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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.