Home / 57,507,621.73-86,245,720.91-20,612,634.92

Finding the Fourth Proportional to 57,507,621.73, 86,245,720.91 and 20,612,634.92

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Solution

The fourth proportional to 57,507,621.73, 86,245,720.91 and 20,612,634.92 is: 30,913,320.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,507,621.73 : 86,245,720.91 = 20,612,634.92 : x
  2. Step 2: Convert to fraction form
    57,507,621.73/86,245,720.91 = 20,612,634.92/x
  3. Step 3: Cross multiply
    57,507,621.73x = 86,245,720.91 × 20,612,634.92
  4. Step 4: Simplify right side
    57,507,621.73x = 1,777,751,558,939,541.50
  5. Step 5: Solve for x
    x = 1,777,751,558,939,541.50/57,507,621.73
  6. Step 6: Final answer
    x = 30,913,320.80

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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.