Home / 83,093,806.20-124,640,709.30-47,261,998.20

Finding the Fourth Proportional to 83,093,806.20, 124,640,709.30 and 47,261,998.20

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Solution

The fourth proportional to 83,093,806.20, 124,640,709.30 and 47,261,998.20 is: 70,892,997.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,093,806.20 : 124,640,709.30 = 47,261,998.20 : x
  2. Step 2: Convert to fraction form
    83,093,806.20/124,640,709.30 = 47,261,998.20/x
  3. Step 3: Cross multiply
    83,093,806.20x = 124,640,709.30 × 47,261,998.20
  4. Step 4: Simplify right side
    83,093,806.20x = 5,890,768,978,583,323
  5. Step 5: Solve for x
    x = 5,890,768,978,583,323/83,093,806.20
  6. Step 6: Final answer
    x = 70,892,997.30

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Double scale
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Similar ratio
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1.5x scale

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.