Home / 220,766,683.39-304,644,293.73-121,641,883.66

Finding the Fourth Proportional to 220,766,683.39, 304,644,293.73 and 121,641,883.66

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Solution

The fourth proportional to 220,766,683.39, 304,644,293.73 and 121,641,883.66 is: 167,858,234.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,766,683.39 : 304,644,293.73 = 121,641,883.66 : x
  2. Step 2: Convert to fraction form
    220,766,683.39/304,644,293.73 = 121,641,883.66/x
  3. Step 3: Cross multiply
    220,766,683.39x = 304,644,293.73 × 121,641,883.66
  4. Step 4: Simplify right side
    220,766,683.39x = 37,057,505,733,954,936
  5. Step 5: Solve for x
    x = 37,057,505,733,954,936/220,766,683.39
  6. Step 6: Final answer
    x = 167,858,234.61

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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.