Home / 80,446,645.20-120,669,967.80-26,593,957.20

Finding the Fourth Proportional to 80,446,645.20, 120,669,967.80 and 26,593,957.20

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Solution

The fourth proportional to 80,446,645.20, 120,669,967.80 and 26,593,957.20 is: 39,890,935.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,446,645.20 : 120,669,967.80 = 26,593,957.20 : x
  2. Step 2: Convert to fraction form
    80,446,645.20/120,669,967.80 = 26,593,957.20/x
  3. Step 3: Cross multiply
    80,446,645.20x = 120,669,967.80 × 26,593,957.20
  4. Step 4: Simplify right side
    80,446,645.20x = 3,209,091,958,998,578
  5. Step 5: Solve for x
    x = 3,209,091,958,998,578/80,446,645.20
  6. Step 6: Final answer
    x = 39,890,935.80

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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.