Home / 67,192,138.24-100,804,166.40-21,753,909.76

Finding the Fourth Proportional to 67,192,138.24, 100,804,166.40 and 21,753,909.76

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Solution

The fourth proportional to 67,192,138.24, 100,804,166.40 and 21,753,909.76 is: 32,636,031.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,192,138.24 : 100,804,166.40 = 21,753,909.76 : x
  2. Step 2: Convert to fraction form
    67,192,138.24/100,804,166.40 = 21,753,909.76/x
  3. Step 3: Cross multiply
    67,192,138.24x = 100,804,166.40 × 21,753,909.76
  4. Step 4: Simplify right side
    67,192,138.24x = 2,192,884,739,297,624.25
  5. Step 5: Solve for x
    x = 2,192,884,739,297,624.25/67,192,138.24
  6. Step 6: Final answer
    x = 32,636,031.49

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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.