Home / 81,182,980.44-121,792,382.19-23,679,752.04

Finding the Fourth Proportional to 81,182,980.44, 121,792,382.19 and 23,679,752.04

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Solution

The fourth proportional to 81,182,980.44, 121,792,382.19 and 23,679,752.04 is: 35,524,852.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,182,980.44 : 121,792,382.19 = 23,679,752.04 : x
  2. Step 2: Convert to fraction form
    81,182,980.44/121,792,382.19 = 23,679,752.04/x
  3. Step 3: Cross multiply
    81,182,980.44x = 121,792,382.19 × 23,679,752.04
  4. Step 4: Simplify right side
    81,182,980.44x = 2,884,013,410,620,112
  5. Step 5: Solve for x
    x = 2,884,013,410,620,112/81,182,980.44
  6. Step 6: Final answer
    x = 35,524,852.56

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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.