Home / 68,594,236,195.56-102,879,942,094.54-20,775,876,586.84

Finding the Fourth Proportional to 68,594,236,195.56, 102,879,942,094.54 and 20,775,876,586.84

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Solution

The fourth proportional to 68,594,236,195.56, 102,879,942,094.54 and 20,775,876,586.84 is: 31,160,358,344.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,594,236,195.56 : 102,879,942,094.54 = 20,775,876,586.84 : x
  2. Step 2: Convert to fraction form
    68,594,236,195.56/102,879,942,094.54 = 20,775,876,586.84/x
  3. Step 3: Cross multiply
    68,594,236,195.56x = 102,879,942,094.54 × 20,775,876,586.84
  4. Step 4: Simplify right side
    68,594,236,195.56x = 2,137,420,980,217,408,389,120
  5. Step 5: Solve for x
    x = 2,137,420,980,217,408,389,120/68,594,236,195.56
  6. Step 6: Final answer
    x = 31,160,358,344.45

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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.