Home / 123,255,920.73-170,091,079.31-68,250,596.25

Finding the Fourth Proportional to 123,255,920.73, 170,091,079.31 and 68,250,596.25

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Solution

The fourth proportional to 123,255,920.73, 170,091,079.31 and 68,250,596.25 is: 94,184,664.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,255,920.73 : 170,091,079.31 = 68,250,596.25 : x
  2. Step 2: Convert to fraction form
    123,255,920.73/170,091,079.31 = 68,250,596.25/x
  3. Step 3: Cross multiply
    123,255,920.73x = 170,091,079.31 × 68,250,596.25
  4. Step 4: Simplify right side
    123,255,920.73x = 11,608,817,579,372,286
  5. Step 5: Solve for x
    x = 11,608,817,579,372,286/123,255,920.73
  6. Step 6: Final answer
    x = 94,184,664.81

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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.