Home / 267,783,145.60-401,743,147.20-86,032,105.60

Finding the Fourth Proportional to 267,783,145.60, 401,743,147.20 and 86,032,105.60

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Solution

The fourth proportional to 267,783,145.60, 401,743,147.20 and 86,032,105.60 is: 129,070,142.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,783,145.60 : 401,743,147.20 = 86,032,105.60 : x
  2. Step 2: Convert to fraction form
    267,783,145.60/401,743,147.20 = 86,032,105.60/x
  3. Step 3: Cross multiply
    267,783,145.60x = 401,743,147.20 × 86,032,105.60
  4. Step 4: Simplify right side
    267,783,145.60x = 34,562,808,863,986,740
  5. Step 5: Solve for x
    x = 34,562,808,863,986,740/267,783,145.60
  6. Step 6: Final answer
    x = 129,070,142.88

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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.