Home / 231,826,291.20-347,739,436.80-207,639,820.80

Finding the Fourth Proportional to 231,826,291.20, 347,739,436.80 and 207,639,820.80

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Solution

The fourth proportional to 231,826,291.20, 347,739,436.80 and 207,639,820.80 is: 311,459,731.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,826,291.20 : 347,739,436.80 = 207,639,820.80 : x
  2. Step 2: Convert to fraction form
    231,826,291.20/347,739,436.80 = 207,639,820.80/x
  3. Step 3: Cross multiply
    231,826,291.20x = 347,739,436.80 × 207,639,820.80
  4. Step 4: Simplify right side
    231,826,291.20x = 72,204,554,342,244,928
  5. Step 5: Solve for x
    x = 72,204,554,342,244,928/231,826,291.20
  6. Step 6: Final answer
    x = 311,459,731.20

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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.