Home / 220,817,491.20-331,241,983.20-67,463,301.60

Finding the Fourth Proportional to 220,817,491.20, 331,241,983.20 and 67,463,301.60

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Solution

The fourth proportional to 220,817,491.20, 331,241,983.20 and 67,463,301.60 is: 101,199,763.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,817,491.20 : 331,241,983.20 = 67,463,301.60 : x
  2. Step 2: Convert to fraction form
    220,817,491.20/331,241,983.20 = 67,463,301.60/x
  3. Step 3: Cross multiply
    220,817,491.20x = 331,241,983.20 × 67,463,301.60
  4. Step 4: Simplify right side
    220,817,491.20x = 22,346,677,815,203,732
  5. Step 5: Solve for x
    x = 22,346,677,815,203,732/220,817,491.20
  6. Step 6: Final answer
    x = 101,199,763.18

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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.