Home / 222,761,268.36-307,405,917.72-123,636,200.49

Finding the Fourth Proportional to 222,761,268.36, 307,405,917.72 and 123,636,200.49

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Solution

The fourth proportional to 222,761,268.36, 307,405,917.72 and 123,636,200.49 is: 170,615,385.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,761,268.36 : 307,405,917.72 = 123,636,200.49 : x
  2. Step 2: Convert to fraction form
    222,761,268.36/307,405,917.72 = 123,636,200.49/x
  3. Step 3: Cross multiply
    222,761,268.36x = 307,405,917.72 × 123,636,200.49
  4. Step 4: Simplify right side
    222,761,268.36x = 38,006,499,675,042,368
  5. Step 5: Solve for x
    x = 38,006,499,675,042,368/222,761,268.36
  6. Step 6: Final answer
    x = 170,615,385.50

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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.