Home / 68,336,603,818.86-102,467,538,034.23-54,261,980,660.42

Finding the Fourth Proportional to 68,336,603,818.86, 102,467,538,034.23 and 54,261,980,660.42

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Solution

The fourth proportional to 68,336,603,818.86, 102,467,538,034.23 and 54,261,980,660.42 is: 81,363,299,555.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,336,603,818.86 : 102,467,538,034.23 = 54,261,980,660.42 : x
  2. Step 2: Convert to fraction form
    68,336,603,818.86/102,467,538,034.23 = 54,261,980,660.42/x
  3. Step 3: Cross multiply
    68,336,603,818.86x = 102,467,538,034.23 × 54,261,980,660.42
  4. Step 4: Simplify right side
    68,336,603,818.86x = 5,560,091,567,134,238,310,400
  5. Step 5: Solve for x
    x = 5,560,091,567,134,238,310,400/68,336,603,818.86
  6. Step 6: Final answer
    x = 81,363,299,555.72

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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.