Home / 165,901,642.20-248,852,463.30-75,028,195.80

Finding the Fourth Proportional to 165,901,642.20, 248,852,463.30 and 75,028,195.80

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Solution

The fourth proportional to 165,901,642.20, 248,852,463.30 and 75,028,195.80 is: 112,542,293.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,901,642.20 : 248,852,463.30 = 75,028,195.80 : x
  2. Step 2: Convert to fraction form
    165,901,642.20/248,852,463.30 = 75,028,195.80/x
  3. Step 3: Cross multiply
    165,901,642.20x = 248,852,463.30 × 75,028,195.80
  4. Step 4: Simplify right side
    165,901,642.20x = 18,670,951,341,784,716
  5. Step 5: Solve for x
    x = 18,670,951,341,784,716/165,901,642.20
  6. Step 6: Final answer
    x = 112,542,293.70

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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.