Home / 212,576,090.40-318,864,135.60-161,179,840.80

Finding the Fourth Proportional to 212,576,090.40, 318,864,135.60 and 161,179,840.80

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Solution

The fourth proportional to 212,576,090.40, 318,864,135.60 and 161,179,840.80 is: 241,769,761.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,576,090.40 : 318,864,135.60 = 161,179,840.80 : x
  2. Step 2: Convert to fraction form
    212,576,090.40/318,864,135.60 = 161,179,840.80/x
  3. Step 3: Cross multiply
    212,576,090.40x = 318,864,135.60 × 161,179,840.80
  4. Step 4: Simplify right side
    212,576,090.40x = 51,394,470,612,837,624
  5. Step 5: Solve for x
    x = 51,394,470,612,837,624/212,576,090.40
  6. Step 6: Final answer
    x = 241,769,761.20

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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.