Home / 318,028,346.62-477,053,148.75-87,978,166.54

Finding the Fourth Proportional to 318,028,346.62, 477,053,148.75 and 87,978,166.54

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Solution

The fourth proportional to 318,028,346.62, 477,053,148.75 and 87,978,166.54 is: 131,970,190.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,028,346.62 : 477,053,148.75 = 87,978,166.54 : x
  2. Step 2: Convert to fraction form
    318,028,346.62/477,053,148.75 = 87,978,166.54/x
  3. Step 3: Cross multiply
    318,028,346.62x = 477,053,148.75 × 87,978,166.54
  4. Step 4: Simplify right side
    318,028,346.62x = 41,970,261,369,158,896
  5. Step 5: Solve for x
    x = 41,970,261,369,158,896/318,028,346.62
  6. Step 6: Final answer
    x = 131,970,190.13

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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.