Home / 53,180,321.31-73,388,843.64-28,734,035.31

Finding the Fourth Proportional to 53,180,321.31, 73,388,843.64 and 28,734,035.31

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Solution

The fourth proportional to 53,180,321.31, 73,388,843.64 and 28,734,035.31 is: 39,652,968.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,180,321.31 : 73,388,843.64 = 28,734,035.31 : x
  2. Step 2: Convert to fraction form
    53,180,321.31/73,388,843.64 = 28,734,035.31/x
  3. Step 3: Cross multiply
    53,180,321.31x = 73,388,843.64 × 28,734,035.31
  4. Step 4: Simplify right side
    53,180,321.31x = 2,108,757,624,511,828.75
  5. Step 5: Solve for x
    x = 2,108,757,624,511,828.75/53,180,321.31
  6. Step 6: Final answer
    x = 39,652,968.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.