Home / 230,818,690.21-318,520,226.48-126,394,962.38

Finding the Fourth Proportional to 230,818,690.21, 318,520,226.48 and 126,394,962.38

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Solution

The fourth proportional to 230,818,690.21, 318,520,226.48 and 126,394,962.38 is: 174,419,809.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,818,690.21 : 318,520,226.48 = 126,394,962.38 : x
  2. Step 2: Convert to fraction form
    230,818,690.21/318,520,226.48 = 126,394,962.38/x
  3. Step 3: Cross multiply
    230,818,690.21x = 318,520,226.48 × 126,394,962.38
  4. Step 4: Simplify right side
    230,818,690.21x = 40,259,352,043,968,640
  5. Step 5: Solve for x
    x = 40,259,352,043,968,640/230,818,690.21
  6. Step 6: Final answer
    x = 174,419,809.80

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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.