Home / 81,722,219.06-112,777,432.72-45,054,102.26

Finding the Fourth Proportional to 81,722,219.06, 112,777,432.72 and 45,054,102.26

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Solution

The fourth proportional to 81,722,219.06, 112,777,432.72 and 45,054,102.26 is: 62,175,085.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,722,219.06 : 112,777,432.72 = 45,054,102.26 : x
  2. Step 2: Convert to fraction form
    81,722,219.06/112,777,432.72 = 45,054,102.26/x
  3. Step 3: Cross multiply
    81,722,219.06x = 112,777,432.72 × 45,054,102.26
  4. Step 4: Simplify right side
    81,722,219.06x = 5,081,085,986,387,150
  5. Step 5: Solve for x
    x = 5,081,085,986,387,150/81,722,219.06
  6. Step 6: Final answer
    x = 62,175,085.86

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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.