Home / 54,622,406.08-81,945,812.40-20,544,047.20

Finding the Fourth Proportional to 54,622,406.08, 81,945,812.40 and 20,544,047.20

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Solution

The fourth proportional to 54,622,406.08, 81,945,812.40 and 20,544,047.20 is: 30,820,660.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,622,406.08 : 81,945,812.40 = 20,544,047.20 : x
  2. Step 2: Convert to fraction form
    54,622,406.08/81,945,812.40 = 20,544,047.20/x
  3. Step 3: Cross multiply
    54,622,406.08x = 81,945,812.40 × 20,544,047.20
  4. Step 4: Simplify right side
    54,622,406.08x = 1,683,498,637,787,945.25
  5. Step 5: Solve for x
    x = 1,683,498,637,787,945.25/54,622,406.08
  6. Step 6: Final answer
    x = 30,820,660.58

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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.