Home / 262,021,519.80-393,173,997.30-108,683,076.60

Finding the Fourth Proportional to 262,021,519.80, 393,173,997.30 and 108,683,076.60

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Solution

The fourth proportional to 262,021,519.80, 393,173,997.30 and 108,683,076.60 is: 163,083,397.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,021,519.80 : 393,173,997.30 = 108,683,076.60 : x
  2. Step 2: Convert to fraction form
    262,021,519.80/393,173,997.30 = 108,683,076.60/x
  3. Step 3: Cross multiply
    262,021,519.80x = 393,173,997.30 × 108,683,076.60
  4. Step 4: Simplify right side
    262,021,519.80x = 42,731,359,665,684,096
  5. Step 5: Solve for x
    x = 42,731,359,665,684,096/262,021,519.80
  6. Step 6: Final answer
    x = 163,083,397.49

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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.