Home / 220,491,090.20-330,736,635.30-154,734,123.80

Finding the Fourth Proportional to 220,491,090.20, 330,736,635.30 and 154,734,123.80

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Solution

The fourth proportional to 220,491,090.20, 330,736,635.30 and 154,734,123.80 is: 232,101,185.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,491,090.20 : 330,736,635.30 = 154,734,123.80 : x
  2. Step 2: Convert to fraction form
    220,491,090.20/330,736,635.30 = 154,734,123.80/x
  3. Step 3: Cross multiply
    220,491,090.20x = 330,736,635.30 × 154,734,123.80
  4. Step 4: Simplify right side
    220,491,090.20x = 51,176,243,471,705,656
  5. Step 5: Solve for x
    x = 51,176,243,471,705,656/220,491,090.20
  6. Step 6: Final answer
    x = 232,101,185.70

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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.