Home / 86,789,324.37-130,183,986.55-41,212,944.21

Finding the Fourth Proportional to 86,789,324.37, 130,183,986.55 and 41,212,944.21

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Solution

The fourth proportional to 86,789,324.37, 130,183,986.55 and 41,212,944.21 is: 61,819,416.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,789,324.37 : 130,183,986.55 = 41,212,944.21 : x
  2. Step 2: Convert to fraction form
    86,789,324.37/130,183,986.55 = 41,212,944.21/x
  3. Step 3: Cross multiply
    86,789,324.37x = 130,183,986.55 × 41,212,944.21
  4. Step 4: Simplify right side
    86,789,324.37x = 5,365,265,374,069,620
  5. Step 5: Solve for x
    x = 5,365,265,374,069,620/86,789,324.37
  6. Step 6: Final answer
    x = 61,819,416.31

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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.