Home / 68,100,532.44-102,147,940.98-31,696,401.12

Finding the Fourth Proportional to 68,100,532.44, 102,147,940.98 and 31,696,401.12

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Solution

The fourth proportional to 68,100,532.44, 102,147,940.98 and 31,696,401.12 is: 47,543,271.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,100,532.44 : 102,147,940.98 = 31,696,401.12 : x
  2. Step 2: Convert to fraction form
    68,100,532.44/102,147,940.98 = 31,696,401.12/x
  3. Step 3: Cross multiply
    68,100,532.44x = 102,147,940.98 × 31,696,401.12
  4. Step 4: Simplify right side
    68,100,532.44x = 3,237,722,110,884,166
  5. Step 5: Solve for x
    x = 3,237,722,110,884,166/68,100,532.44
  6. Step 6: Final answer
    x = 47,543,271.61

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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.