Home / 229,952,257.20-345,036,109.32-100,543,235.76

Finding the Fourth Proportional to 229,952,257.20, 345,036,109.32 and 100,543,235.76

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Solution

The fourth proportional to 229,952,257.20, 345,036,109.32 and 100,543,235.76 is: 150,861,954.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,952,257.20 : 345,036,109.32 = 100,543,235.76 : x
  2. Step 2: Convert to fraction form
    229,952,257.20/345,036,109.32 = 100,543,235.76/x
  3. Step 3: Cross multiply
    229,952,257.20x = 345,036,109.32 × 100,543,235.76
  4. Step 4: Simplify right side
    229,952,257.20x = 34,691,046,885,073,896
  5. Step 5: Solve for x
    x = 34,691,046,885,073,896/229,952,257.20
  6. Step 6: Final answer
    x = 150,861,954.16

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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.