Home / 83,093,786.70-124,640,680.05-47,261,978.70

Finding the Fourth Proportional to 83,093,786.70, 124,640,680.05 and 47,261,978.70

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Solution

The fourth proportional to 83,093,786.70, 124,640,680.05 and 47,261,978.70 is: 70,892,968.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,093,786.70 : 124,640,680.05 = 47,261,978.70 : x
  2. Step 2: Convert to fraction form
    83,093,786.70/124,640,680.05 = 47,261,978.70/x
  3. Step 3: Cross multiply
    83,093,786.70x = 124,640,680.05 × 47,261,978.70
  4. Step 4: Simplify right side
    83,093,786.70x = 5,890,765,165,676,615
  5. Step 5: Solve for x
    x = 5,890,765,165,676,615/83,093,786.70
  6. Step 6: Final answer
    x = 70,892,968.05

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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.