Home / 261,651,083.45-361,086,197.30-144,183,980.50

Finding the Fourth Proportional to 261,651,083.45, 361,086,197.30 and 144,183,980.50

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Solution

The fourth proportional to 261,651,083.45, 361,086,197.30 and 144,183,980.50 is: 198,978,137.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,651,083.45 : 361,086,197.30 = 144,183,980.50 : x
  2. Step 2: Convert to fraction form
    261,651,083.45/361,086,197.30 = 144,183,980.50/x
  3. Step 3: Cross multiply
    261,651,083.45x = 361,086,197.30 × 144,183,980.50
  4. Step 4: Simplify right side
    261,651,083.45x = 52,062,845,230,049,720
  5. Step 5: Solve for x
    x = 52,062,845,230,049,720/261,651,083.45
  6. Step 6: Final answer
    x = 198,978,137.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.