Home / 204,438,412.80-306,657,619.20-123,816,844.80

Finding the Fourth Proportional to 204,438,412.80, 306,657,619.20 and 123,816,844.80

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Solution

The fourth proportional to 204,438,412.80, 306,657,619.20 and 123,816,844.80 is: 185,725,267.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,438,412.80 : 306,657,619.20 = 123,816,844.80 : x
  2. Step 2: Convert to fraction form
    204,438,412.80/306,657,619.20 = 123,816,844.80/x
  3. Step 3: Cross multiply
    204,438,412.80x = 306,657,619.20 × 123,816,844.80
  4. Step 4: Simplify right side
    204,438,412.80x = 37,969,378,843,223,896
  5. Step 5: Solve for x
    x = 37,969,378,843,223,896/204,438,412.80
  6. Step 6: Final answer
    x = 185,725,267.20

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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.