Home / 199,323,234.40-298,984,851.60-187,229,999.20

Finding the Fourth Proportional to 199,323,234.40, 298,984,851.60 and 187,229,999.20

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Solution

The fourth proportional to 199,323,234.40, 298,984,851.60 and 187,229,999.20 is: 280,844,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,323,234.40 : 298,984,851.60 = 187,229,999.20 : x
  2. Step 2: Convert to fraction form
    199,323,234.40/298,984,851.60 = 187,229,999.20/x
  3. Step 3: Cross multiply
    199,323,234.40x = 298,984,851.60 × 187,229,999.20
  4. Step 4: Simplify right side
    199,323,234.40x = 55,978,933,525,880,120
  5. Step 5: Solve for x
    x = 55,978,933,525,880,120/199,323,234.40
  6. Step 6: Final answer
    x = 280,844,998.80

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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.