Home / 81,722,217.06-112,777,429.95-45,054,100.26

Finding the Fourth Proportional to 81,722,217.06, 112,777,429.95 and 45,054,100.26

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Solution

The fourth proportional to 81,722,217.06, 112,777,429.95 and 45,054,100.26 is: 62,175,083.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,722,217.06 : 112,777,429.95 = 45,054,100.26 : x
  2. Step 2: Convert to fraction form
    81,722,217.06/112,777,429.95 = 45,054,100.26/x
  3. Step 3: Cross multiply
    81,722,217.06x = 112,777,429.95 × 45,054,100.26
  4. Step 4: Simplify right side
    81,722,217.06x = 5,081,085,636,032,427
  5. Step 5: Solve for x
    x = 5,081,085,636,032,427/81,722,217.06
  6. Step 6: Final answer
    x = 62,175,083.09

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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.