Home / 120,454,494.64-180,685,640.34-57,342,825.04

Finding the Fourth Proportional to 120,454,494.64, 180,685,640.34 and 57,342,825.04

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Solution

The fourth proportional to 120,454,494.64, 180,685,640.34 and 57,342,825.04 is: 86,016,093.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,454,494.64 : 180,685,640.34 = 57,342,825.04 : x
  2. Step 2: Convert to fraction form
    120,454,494.64/180,685,640.34 = 57,342,825.04/x
  3. Step 3: Cross multiply
    120,454,494.64x = 180,685,640.34 × 57,342,825.04
  4. Step 4: Simplify right side
    120,454,494.64x = 10,361,025,061,256,986
  5. Step 5: Solve for x
    x = 10,361,025,061,256,986/120,454,494.64
  6. Step 6: Final answer
    x = 86,016,093.40

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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.