Home / 80,224,647.64-110,813,863.92-66,342,078.28

Finding the Fourth Proportional to 80,224,647.64, 110,813,863.92 and 66,342,078.28

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Solution

The fourth proportional to 80,224,647.64, 110,813,863.92 and 66,342,078.28 is: 91,637,947.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,224,647.64 : 110,813,863.92 = 66,342,078.28 : x
  2. Step 2: Convert to fraction form
    80,224,647.64/110,813,863.92 = 66,342,078.28/x
  3. Step 3: Cross multiply
    80,224,647.64x = 110,813,863.92 × 66,342,078.28
  4. Step 4: Simplify right side
    80,224,647.64x = 7,351,622,034,689,908
  5. Step 5: Solve for x
    x = 7,351,622,034,689,908/80,224,647.64
  6. Step 6: Final answer
    x = 91,637,947.33

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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.