Home / 318,028,270.11-477,053,034.03-87,978,090.03

Finding the Fourth Proportional to 318,028,270.11, 477,053,034.03 and 87,978,090.03

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Solution

The fourth proportional to 318,028,270.11, 477,053,034.03 and 87,978,090.03 is: 131,970,075.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,028,270.11 : 477,053,034.03 = 87,978,090.03 : x
  2. Step 2: Convert to fraction form
    318,028,270.11/477,053,034.03 = 87,978,090.03/x
  3. Step 3: Cross multiply
    318,028,270.11x = 477,053,034.03 × 87,978,090.03
  4. Step 4: Simplify right side
    318,028,270.11x = 41,970,214,776,975,992
  5. Step 5: Solve for x
    x = 41,970,214,776,975,992/318,028,270.11
  6. Step 6: Final answer
    x = 131,970,075.37

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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.