Home / 54,921,564.81-82,349,463.24-18,529,149.33

Finding the Fourth Proportional to 54,921,564.81, 82,349,463.24 and 18,529,149.33

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Solution

The fourth proportional to 54,921,564.81, 82,349,463.24 and 18,529,149.33 is: 27,782,629.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,921,564.81 : 82,349,463.24 = 18,529,149.33 : x
  2. Step 2: Convert to fraction form
    54,921,564.81/82,349,463.24 = 18,529,149.33/x
  3. Step 3: Cross multiply
    54,921,564.81x = 82,349,463.24 × 18,529,149.33
  4. Step 4: Simplify right side
    54,921,564.81x = 1,525,865,501,619,305.50
  5. Step 5: Solve for x
    x = 1,525,865,501,619,305.50/54,921,564.81
  6. Step 6: Final answer
    x = 27,782,629.77

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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.