Home / 177,980,573,394.20-245,634,247,422.64-105,722,923,722.91

Finding the Fourth Proportional to 177,980,573,394.20, 245,634,247,422.64 and 105,722,923,722.91

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Solution

The fourth proportional to 177,980,573,394.20, 245,634,247,422.64 and 105,722,923,722.91 is: 145,910,142,375.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,980,573,394.20 : 245,634,247,422.64 = 105,722,923,722.91 : x
  2. Step 2: Convert to fraction form
    177,980,573,394.20/245,634,247,422.64 = 105,722,923,722.91/x
  3. Step 3: Cross multiply
    177,980,573,394.20x = 245,634,247,422.64 × 105,722,923,722.91
  4. Step 4: Simplify right side
    177,980,573,394.20x = 25,969,170,803,998,173,691,904
  5. Step 5: Solve for x
    x = 25,969,170,803,998,173,691,904/177,980,573,394.20
  6. Step 6: Final answer
    x = 145,910,142,375.37

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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.