Home / 53,108,972.94-73,219,709.86-39,821,619.34

Finding the Fourth Proportional to 53,108,972.94, 73,219,709.86 and 39,821,619.34

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Solution

The fourth proportional to 53,108,972.94, 73,219,709.86 and 39,821,619.34 is: 54,900,843.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,108,972.94 : 73,219,709.86 = 39,821,619.34 : x
  2. Step 2: Convert to fraction form
    53,108,972.94/73,219,709.86 = 39,821,619.34/x
  3. Step 3: Cross multiply
    53,108,972.94x = 73,219,709.86 × 39,821,619.34
  4. Step 4: Simplify right side
    53,108,972.94x = 2,915,727,414,230,165
  5. Step 5: Solve for x
    x = 2,915,727,414,230,165/53,108,972.94
  6. Step 6: Final answer
    x = 54,900,843.55

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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.