Home / 68,336,603,806.29-102,467,538,015.36-54,261,980,647.88

Finding the Fourth Proportional to 68,336,603,806.29, 102,467,538,015.36 and 54,261,980,647.88

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Solution

The fourth proportional to 68,336,603,806.29, 102,467,538,015.36 and 54,261,980,647.88 is: 81,363,299,536.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,336,603,806.29 : 102,467,538,015.36 = 54,261,980,647.88 : x
  2. Step 2: Convert to fraction form
    68,336,603,806.29/102,467,538,015.36 = 54,261,980,647.88/x
  3. Step 3: Cross multiply
    68,336,603,806.29x = 102,467,538,015.36 × 54,261,980,647.88
  4. Step 4: Simplify right side
    68,336,603,806.29x = 5,560,091,564,824,859,770,880
  5. Step 5: Solve for x
    x = 5,560,091,564,824,859,770,880/68,336,603,806.29
  6. Step 6: Final answer
    x = 81,363,299,536.89

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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.