Home / 49,820,420.72-68,691,099.31-40,968,939.17

Finding the Fourth Proportional to 49,820,420.72, 68,691,099.31 and 40,968,939.17

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Solution

The fourth proportional to 49,820,420.72, 68,691,099.31 and 40,968,939.17 is: 56,486,906.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,820,420.72 : 68,691,099.31 = 40,968,939.17 : x
  2. Step 2: Convert to fraction form
    49,820,420.72/68,691,099.31 = 40,968,939.17/x
  3. Step 3: Cross multiply
    49,820,420.72x = 68,691,099.31 × 40,968,939.17
  4. Step 4: Simplify right side
    49,820,420.72x = 2,814,201,469,151,819
  5. Step 5: Solve for x
    x = 2,814,201,469,151,819/49,820,420.72
  6. Step 6: Final answer
    x = 56,486,906.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.