Home / 231,823,619.20-347,735,428.80-214,305,846.40

Finding the Fourth Proportional to 231,823,619.20, 347,735,428.80 and 214,305,846.40

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Solution

The fourth proportional to 231,823,619.20, 347,735,428.80 and 214,305,846.40 is: 321,458,769.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,823,619.20 : 347,735,428.80 = 214,305,846.40 : x
  2. Step 2: Convert to fraction form
    231,823,619.20/347,735,428.80 = 214,305,846.40/x
  3. Step 3: Cross multiply
    231,823,619.20x = 347,735,428.80 × 214,305,846.40
  4. Step 4: Simplify right side
    231,823,619.20x = 74,521,735,392,250,944
  5. Step 5: Solve for x
    x = 74,521,735,392,250,944/231,823,619.20
  6. Step 6: Final answer
    x = 321,458,769.60

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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.