Home / 83,093,780.79-124,640,504.06-78,037,262.73

Finding the Fourth Proportional to 83,093,780.79, 124,640,504.06 and 78,037,262.73

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Solution

The fourth proportional to 83,093,780.79, 124,640,504.06 and 78,037,262.73 is: 117,055,737.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,093,780.79 : 124,640,504.06 = 78,037,262.73 : x
  2. Step 2: Convert to fraction form
    83,093,780.79/124,640,504.06 = 78,037,262.73/x
  3. Step 3: Cross multiply
    83,093,780.79x = 124,640,504.06 × 78,037,262.73
  4. Step 4: Simplify right side
    83,093,780.79x = 9,726,603,761,739,666
  5. Step 5: Solve for x
    x = 9,726,603,761,739,666/83,093,780.79
  6. Step 6: Final answer
    x = 117,055,737.14

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.