Home / 68,594,236,223.06-102,879,942,135.87-20,775,876,614.30

Finding the Fourth Proportional to 68,594,236,223.06, 102,879,942,135.87 and 20,775,876,614.30

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Solution

The fourth proportional to 68,594,236,223.06, 102,879,942,135.87 and 20,775,876,614.30 is: 31,160,358,385.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,594,236,223.06 : 102,879,942,135.87 = 20,775,876,614.30 : x
  2. Step 2: Convert to fraction form
    68,594,236,223.06/102,879,942,135.87 = 20,775,876,614.30/x
  3. Step 3: Cross multiply
    68,594,236,223.06x = 102,879,942,135.87 × 20,775,876,614.30
  4. Step 4: Simplify right side
    68,594,236,223.06x = 2,137,420,983,901,158,637,568
  5. Step 5: Solve for x
    x = 2,137,420,983,901,158,637,568/68,594,236,223.06
  6. Step 6: Final answer
    x = 31,160,358,385.66

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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.