Home / 118,206,843.83-177,310,265.74-72,857,211.83

Finding the Fourth Proportional to 118,206,843.83, 177,310,265.74 and 72,857,211.83

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Solution

The fourth proportional to 118,206,843.83, 177,310,265.74 and 72,857,211.83 is: 109,285,817.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,206,843.83 : 177,310,265.74 = 72,857,211.83 : x
  2. Step 2: Convert to fraction form
    118,206,843.83/177,310,265.74 = 72,857,211.83/x
  3. Step 3: Cross multiply
    118,206,843.83x = 177,310,265.74 × 72,857,211.83
  4. Step 4: Simplify right side
    118,206,843.83x = 12,918,331,589,584,078
  5. Step 5: Solve for x
    x = 12,918,331,589,584,078/118,206,843.83
  6. Step 6: Final answer
    x = 109,285,817.74

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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.