Home / 81,041,304.65-111,836,976.73-43,871,557.35

Finding the Fourth Proportional to 81,041,304.65, 111,836,976.73 and 43,871,557.35

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Solution

The fourth proportional to 81,041,304.65, 111,836,976.73 and 43,871,557.35 is: 60,542,736.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,041,304.65 : 111,836,976.73 = 43,871,557.35 : x
  2. Step 2: Convert to fraction form
    81,041,304.65/111,836,976.73 = 43,871,557.35/x
  3. Step 3: Cross multiply
    81,041,304.65x = 111,836,976.73 × 43,871,557.35
  4. Step 4: Simplify right side
    81,041,304.65x = 4,906,462,338,388,434
  5. Step 5: Solve for x
    x = 4,906,462,338,388,434/81,041,304.65
  6. Step 6: Final answer
    x = 60,542,736.32

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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.