Home / 220,628,974.41-304,458,161.13-126,475,620.93

Finding the Fourth Proportional to 220,628,974.41, 304,458,161.13 and 126,475,620.93

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Solution

The fourth proportional to 220,628,974.41, 304,458,161.13 and 126,475,620.93 is: 174,530,725.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,628,974.41 : 304,458,161.13 = 126,475,620.93 : x
  2. Step 2: Convert to fraction form
    220,628,974.41/304,458,161.13 = 126,475,620.93/x
  3. Step 3: Cross multiply
    220,628,974.41x = 304,458,161.13 × 126,475,620.93
  4. Step 4: Simplify right side
    220,628,974.41x = 38,506,534,976,122,744
  5. Step 5: Solve for x
    x = 38,506,534,976,122,744/220,628,974.41
  6. Step 6: Final answer
    x = 174,530,725.53

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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.