Home / 215,898,080.80-323,368,824.30-187,200,266.80

Finding the Fourth Proportional to 215,898,080.80, 323,368,824.30 and 187,200,266.80

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Solution

The fourth proportional to 215,898,080.80, 323,368,824.30 and 187,200,266.80 is: 280,385,679.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,898,080.80 : 323,368,824.30 = 187,200,266.80 : x
  2. Step 2: Convert to fraction form
    215,898,080.80/323,368,824.30 = 187,200,266.80/x
  3. Step 3: Cross multiply
    215,898,080.80x = 323,368,824.30 × 187,200,266.80
  4. Step 4: Simplify right side
    215,898,080.80x = 60,534,730,183,762,328
  5. Step 5: Solve for x
    x = 60,534,730,183,762,328/215,898,080.80
  6. Step 6: Final answer
    x = 280,385,679.94

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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.