Home / 68,336,604,220.38-102,467,538,636.12-54,261,981,061.98

Finding the Fourth Proportional to 68,336,604,220.38, 102,467,538,636.12 and 54,261,981,061.98

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Solution

The fourth proportional to 68,336,604,220.38, 102,467,538,636.12 and 54,261,981,061.98 is: 81,363,300,157.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,336,604,220.38 : 102,467,538,636.12 = 54,261,981,061.98 : x
  2. Step 2: Convert to fraction form
    68,336,604,220.38/102,467,538,636.12 = 54,261,981,061.98/x
  3. Step 3: Cross multiply
    68,336,604,220.38x = 102,467,538,636.12 × 54,261,981,061.98
  4. Step 4: Simplify right side
    68,336,604,220.38x = 5,560,091,640,940,847,955,968
  5. Step 5: Solve for x
    x = 5,560,091,640,940,847,955,968/68,336,604,220.38
  6. Step 6: Final answer
    x = 81,363,300,157.70

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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.