Home / 81,706,863.09-112,752,078.31-44,536,325.57

Finding the Fourth Proportional to 81,706,863.09, 112,752,078.31 and 44,536,325.57

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Solution

The fourth proportional to 81,706,863.09, 112,752,078.31 and 44,536,325.57 is: 61,458,279.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,706,863.09 : 112,752,078.31 = 44,536,325.57 : x
  2. Step 2: Convert to fraction form
    81,706,863.09/112,752,078.31 = 44,536,325.57/x
  3. Step 3: Cross multiply
    81,706,863.09x = 112,752,078.31 × 44,536,325.57
  4. Step 4: Simplify right side
    81,706,863.09x = 5,021,563,267,633,194
  5. Step 5: Solve for x
    x = 5,021,563,267,633,194/81,706,863.09
  6. Step 6: Final answer
    x = 61,458,279.97

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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.