Home / 80,391,436.53-110,940,237.09-45,104,370.36

Finding the Fourth Proportional to 80,391,436.53, 110,940,237.09 and 45,104,370.36

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Solution

The fourth proportional to 80,391,436.53, 110,940,237.09 and 45,104,370.36 is: 62,244,061.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,391,436.53 : 110,940,237.09 = 45,104,370.36 : x
  2. Step 2: Convert to fraction form
    80,391,436.53/110,940,237.09 = 45,104,370.36/x
  3. Step 3: Cross multiply
    80,391,436.53x = 110,940,237.09 × 45,104,370.36
  4. Step 4: Simplify right side
    80,391,436.53x = 5,003,889,541,533,569
  5. Step 5: Solve for x
    x = 5,003,889,541,533,569/80,391,436.53
  6. Step 6: Final answer
    x = 62,244,061.77

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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.