Home / 71,551,741.77-98,743,832.87-40,195,324.17

Finding the Fourth Proportional to 71,551,741.77, 98,743,832.87 and 40,195,324.17

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Solution

The fourth proportional to 71,551,741.77, 98,743,832.87 and 40,195,324.17 is: 55,470,912.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,551,741.77 : 98,743,832.87 = 40,195,324.17 : x
  2. Step 2: Convert to fraction form
    71,551,741.77/98,743,832.87 = 40,195,324.17/x
  3. Step 3: Cross multiply
    71,551,741.77x = 98,743,832.87 × 40,195,324.17
  4. Step 4: Simplify right side
    71,551,741.77x = 3,969,040,371,796,975
  5. Step 5: Solve for x
    x = 3,969,040,371,796,975/71,551,741.77
  6. Step 6: Final answer
    x = 55,470,912.01

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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.