Home / 154,715,064.86-231,800,178.17-145,498,692.68

Finding the Fourth Proportional to 154,715,064.86, 231,800,178.17 and 145,498,692.68

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Solution

The fourth proportional to 154,715,064.86, 231,800,178.17 and 145,498,692.68 is: 217,991,847.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,715,064.86 : 231,800,178.17 = 145,498,692.68 : x
  2. Step 2: Convert to fraction form
    154,715,064.86/231,800,178.17 = 145,498,692.68/x
  3. Step 3: Cross multiply
    154,715,064.86x = 231,800,178.17 × 145,498,692.68
  4. Step 4: Simplify right side
    154,715,064.86x = 33,726,622,884,839,580
  5. Step 5: Solve for x
    x = 33,726,622,884,839,580/154,715,064.86
  6. Step 6: Final answer
    x = 217,991,847.89

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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.