Home / 71,792,257.13-99,071,969.21-43,912,919.36

Finding the Fourth Proportional to 71,792,257.13, 99,071,969.21 and 43,912,919.36

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Solution

The fourth proportional to 71,792,257.13, 99,071,969.21 and 43,912,919.36 is: 60,599,005.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,792,257.13 : 99,071,969.21 = 43,912,919.36 : x
  2. Step 2: Convert to fraction form
    71,792,257.13/99,071,969.21 = 43,912,919.36/x
  3. Step 3: Cross multiply
    71,792,257.13x = 99,071,969.21 × 43,912,919.36
  4. Step 4: Simplify right side
    71,792,257.13x = 4,350,539,394,535,568
  5. Step 5: Solve for x
    x = 4,350,539,394,535,568/71,792,257.13
  6. Step 6: Final answer
    x = 60,599,005.64

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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.