Home / 83,093,815.70-124,640,723.55-47,262,007.70

Finding the Fourth Proportional to 83,093,815.70, 124,640,723.55 and 47,262,007.70

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Solution

The fourth proportional to 83,093,815.70, 124,640,723.55 and 47,262,007.70 is: 70,893,011.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,093,815.70 : 124,640,723.55 = 47,262,007.70 : x
  2. Step 2: Convert to fraction form
    83,093,815.70/124,640,723.55 = 47,262,007.70/x
  3. Step 3: Cross multiply
    83,093,815.70x = 124,640,723.55 × 47,262,007.70
  4. Step 4: Simplify right side
    83,093,815.70x = 5,890,770,836,153,672
  5. Step 5: Solve for x
    x = 5,890,770,836,153,672/83,093,815.70
  6. Step 6: Final answer
    x = 70,893,011.55

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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.