Home / 204,718,991.40-307,078,487.10-66,544,331.40

Finding the Fourth Proportional to 204,718,991.40, 307,078,487.10 and 66,544,331.40

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Solution

The fourth proportional to 204,718,991.40, 307,078,487.10 and 66,544,331.40 is: 99,816,497.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,718,991.40 : 307,078,487.10 = 66,544,331.40 : x
  2. Step 2: Convert to fraction form
    204,718,991.40/307,078,487.10 = 66,544,331.40/x
  3. Step 3: Cross multiply
    204,718,991.40x = 307,078,487.10 × 66,544,331.40
  4. Step 4: Simplify right side
    204,718,991.40x = 20,434,332,611,393,028
  5. Step 5: Solve for x
    x = 20,434,332,611,393,028/204,718,991.40
  6. Step 6: Final answer
    x = 99,816,497.10

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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.