Home / 118,099,012.80-177,148,519.20-113,794,340.70

Finding the Fourth Proportional to 118,099,012.80, 177,148,519.20 and 113,794,340.70

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Solution

The fourth proportional to 118,099,012.80, 177,148,519.20 and 113,794,340.70 is: 170,691,511.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,099,012.80 : 177,148,519.20 = 113,794,340.70 : x
  2. Step 2: Convert to fraction form
    118,099,012.80/177,148,519.20 = 113,794,340.70/x
  3. Step 3: Cross multiply
    118,099,012.80x = 177,148,519.20 × 113,794,340.70
  4. Step 4: Simplify right side
    118,099,012.80x = 20,158,498,948,345,292
  5. Step 5: Solve for x
    x = 20,158,498,948,345,292/118,099,012.80
  6. Step 6: Final answer
    x = 170,691,511.05

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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.