Home / 68,024,508,742.20-102,036,763,113.30-61,167,644,383.80

Finding the Fourth Proportional to 68,024,508,742.20, 102,036,763,113.30 and 61,167,644,383.80

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Solution

The fourth proportional to 68,024,508,742.20, 102,036,763,113.30 and 61,167,644,383.80 is: 91,751,466,575.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,024,508,742.20 : 102,036,763,113.30 = 61,167,644,383.80 : x
  2. Step 2: Convert to fraction form
    68,024,508,742.20/102,036,763,113.30 = 61,167,644,383.80/x
  3. Step 3: Cross multiply
    68,024,508,742.20x = 102,036,763,113.30 × 61,167,644,383.80
  4. Step 4: Simplify right side
    68,024,508,742.20x = 6,241,348,440,188,375,793,664
  5. Step 5: Solve for x
    x = 6,241,348,440,188,375,793,664/68,024,508,742.20
  6. Step 6: Final answer
    x = 91,751,466,575.70

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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.