Home / 110,808,007.20-166,212,010.80-105,517,216.80

Finding the Fourth Proportional to 110,808,007.20, 166,212,010.80 and 105,517,216.80

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Solution

The fourth proportional to 110,808,007.20, 166,212,010.80 and 105,517,216.80 is: 158,275,825.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,808,007.20 : 166,212,010.80 = 105,517,216.80 : x
  2. Step 2: Convert to fraction form
    110,808,007.20/166,212,010.80 = 105,517,216.80/x
  3. Step 3: Cross multiply
    110,808,007.20x = 166,212,010.80 × 105,517,216.80
  4. Step 4: Simplify right side
    110,808,007.20x = 17,538,228,778,347,542
  5. Step 5: Solve for x
    x = 17,538,228,778,347,542/110,808,007.20
  6. Step 6: Final answer
    x = 158,275,825.20

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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.