Home / 57,196,836.87-85,767,356.47-20,296,232.25

Finding the Fourth Proportional to 57,196,836.87, 85,767,356.47 and 20,296,232.25

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Solution

The fourth proportional to 57,196,836.87, 85,767,356.47 and 20,296,232.25 is: 30,434,448.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,196,836.87 : 85,767,356.47 = 20,296,232.25 : x
  2. Step 2: Convert to fraction form
    57,196,836.87/85,767,356.47 = 20,296,232.25/x
  3. Step 3: Cross multiply
    57,196,836.87x = 85,767,356.47 × 20,296,232.25
  4. Step 4: Simplify right side
    57,196,836.87x = 1,740,754,186,383,660.25
  5. Step 5: Solve for x
    x = 1,740,754,186,383,660.25/57,196,836.87
  6. Step 6: Final answer
    x = 30,434,448.51

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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.