Home / 120,964,008.80-181,469,632.80-48,168,401.60

Finding the Fourth Proportional to 120,964,008.80, 181,469,632.80 and 48,168,401.60

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Solution

The fourth proportional to 120,964,008.80, 181,469,632.80 and 48,168,401.60 is: 72,262,007.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,964,008.80 : 181,469,632.80 = 48,168,401.60 : x
  2. Step 2: Convert to fraction form
    120,964,008.80/181,469,632.80 = 48,168,401.60/x
  3. Step 3: Cross multiply
    120,964,008.80x = 181,469,632.80 × 48,168,401.60
  4. Step 4: Simplify right side
    120,964,008.80x = 8,741,102,150,914,933
  5. Step 5: Solve for x
    x = 8,741,102,150,914,933/120,964,008.80
  6. Step 6: Final answer
    x = 72,262,007.83

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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.