Home / 165,901,687.20-248,852,530.80-75,028,240.80

Finding the Fourth Proportional to 165,901,687.20, 248,852,530.80 and 75,028,240.80

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Solution

The fourth proportional to 165,901,687.20, 248,852,530.80 and 75,028,240.80 is: 112,542,361.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,901,687.20 : 248,852,530.80 = 75,028,240.80 : x
  2. Step 2: Convert to fraction form
    165,901,687.20/248,852,530.80 = 75,028,240.80/x
  3. Step 3: Cross multiply
    165,901,687.20x = 248,852,530.80 × 75,028,240.80
  4. Step 4: Simplify right side
    165,901,687.20x = 18,670,967,604,551,816
  5. Step 5: Solve for x
    x = 18,670,967,604,551,816/165,901,687.20
  6. Step 6: Final answer
    x = 112,542,361.20

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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.