Home / 120,964,107.40-181,446,161.10-108,492,958.60

Finding the Fourth Proportional to 120,964,107.40, 181,446,161.10 and 108,492,958.60

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Solution

The fourth proportional to 120,964,107.40, 181,446,161.10 and 108,492,958.60 is: 162,739,437.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,964,107.40 : 181,446,161.10 = 108,492,958.60 : x
  2. Step 2: Convert to fraction form
    120,964,107.40/181,446,161.10 = 108,492,958.60/x
  3. Step 3: Cross multiply
    120,964,107.40x = 181,446,161.10 × 108,492,958.60
  4. Step 4: Simplify right side
    120,964,107.40x = 19,685,630,844,351,228
  5. Step 5: Solve for x
    x = 19,685,630,844,351,228/120,964,107.40
  6. Step 6: Final answer
    x = 162,739,437.90

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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.