Home / 57,507,627.30-86,245,729.27-20,612,640.51

Finding the Fourth Proportional to 57,507,627.30, 86,245,729.27 and 20,612,640.51

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Solution

The fourth proportional to 57,507,627.30, 86,245,729.27 and 20,612,640.51 is: 30,913,329.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,507,627.30 : 86,245,729.27 = 20,612,640.51 : x
  2. Step 2: Convert to fraction form
    57,507,627.30/86,245,729.27 = 20,612,640.51/x
  3. Step 3: Cross multiply
    57,507,627.30x = 86,245,729.27 × 20,612,640.51
  4. Step 4: Simplify right side
    57,507,627.30x = 1,777,752,212,431,002.75
  5. Step 5: Solve for x
    x = 1,777,752,212,431,002.75/57,507,627.30
  6. Step 6: Final answer
    x = 30,913,329.17

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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.