Home / 206,222,280.12-284,517,099-116,904,647.88

Finding the Fourth Proportional to 206,222,280.12, 284,517,099 and 116,904,647.88

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Solution

The fourth proportional to 206,222,280.12, 284,517,099 and 116,904,647.88 is: 161,288,931.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,222,280.12 : 284,517,099 = 116,904,647.88 : x
  2. Step 2: Convert to fraction form
    206,222,280.12/284,517,099 = 116,904,647.88/x
  3. Step 3: Cross multiply
    206,222,280.12x = 284,517,099 × 116,904,647.88
  4. Step 4: Simplify right side
    206,222,280.12x = 33,261,371,274,434,100
  5. Step 5: Solve for x
    x = 33,261,371,274,434,100/206,222,280.12
  6. Step 6: Final answer
    x = 161,288,931.80

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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.