Home / 83,093,782.67-124,640,506.86-78,037,264.61

Finding the Fourth Proportional to 83,093,782.67, 124,640,506.86 and 78,037,264.61

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Solution

The fourth proportional to 83,093,782.67, 124,640,506.86 and 78,037,264.61 is: 117,055,739.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,093,782.67 : 124,640,506.86 = 78,037,264.61 : x
  2. Step 2: Convert to fraction form
    83,093,782.67/124,640,506.86 = 78,037,264.61/x
  3. Step 3: Cross multiply
    83,093,782.67x = 124,640,506.86 × 78,037,264.61
  4. Step 4: Simplify right side
    83,093,782.67x = 9,726,604,214,958,340
  5. Step 5: Solve for x
    x = 9,726,604,214,958,340/83,093,782.67
  6. Step 6: Final answer
    x = 117,055,739.94

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Why These Related Problems?

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