Home / 54,507,125.48-81,673,940.39-38,143,393.02

Finding the Fourth Proportional to 54,507,125.48, 81,673,940.39 and 38,143,393.02

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Solution

The fourth proportional to 54,507,125.48, 81,673,940.39 and 38,143,393.02 is: 57,154,384.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,507,125.48 : 81,673,940.39 = 38,143,393.02 : x
  2. Step 2: Convert to fraction form
    54,507,125.48/81,673,940.39 = 38,143,393.02/x
  3. Step 3: Cross multiply
    54,507,125.48x = 81,673,940.39 × 38,143,393.02
  4. Step 4: Simplify right side
    54,507,125.48x = 3,115,321,207,597,105.50
  5. Step 5: Solve for x
    x = 3,115,321,207,597,105.50/54,507,125.48
  6. Step 6: Final answer
    x = 57,154,384.50

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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.