Home / 251,279,957,995.85-346,765,869,819.42-137,094,656,338.46

Finding the Fourth Proportional to 251,279,957,995.85, 346,765,869,819.42 and 137,094,656,338.46

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Solution

The fourth proportional to 251,279,957,995.85, 346,765,869,819.42 and 137,094,656,338.46 is: 189,190,368,113.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,279,957,995.85 : 346,765,869,819.42 = 137,094,656,338.46 : x
  2. Step 2: Convert to fraction form
    251,279,957,995.85/346,765,869,819.42 = 137,094,656,338.46/x
  3. Step 3: Cross multiply
    251,279,957,995.85x = 346,765,869,819.42 × 137,094,656,338.46
  4. Step 4: Simplify right side
    251,279,957,995.85x = 47,539,747,752,800,541,474,816
  5. Step 5: Solve for x
    x = 47,539,747,752,800,541,474,816/251,279,957,995.85
  6. Step 6: Final answer
    x = 189,190,368,113.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.