Home / 203,624,228.42-305,484,165-67,309,607.06

Finding the Fourth Proportional to 203,624,228.42, 305,484,165 and 67,309,607.06

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Solution

The fourth proportional to 203,624,228.42, 305,484,165 and 67,309,607.06 is: 100,980,218.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,624,228.42 : 305,484,165 = 67,309,607.06 : x
  2. Step 2: Convert to fraction form
    203,624,228.42/305,484,165 = 67,309,607.06/x
  3. Step 3: Cross multiply
    203,624,228.42x = 305,484,165 × 67,309,607.06
  4. Step 4: Simplify right side
    203,624,228.42x = 20,562,019,109,202,204
  5. Step 5: Solve for x
    x = 20,562,019,109,202,204/203,624,228.42
  6. Step 6: Final answer
    x = 100,980,218.65

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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.