Home / 137,460,225.76-206,568,255.60-128,472,180.64

Finding the Fourth Proportional to 137,460,225.76, 206,568,255.60 and 128,472,180.64

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Solution

The fourth proportional to 137,460,225.76, 206,568,255.60 and 128,472,180.64 is: 193,061,477.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,460,225.76 : 206,568,255.60 = 128,472,180.64 : x
  2. Step 2: Convert to fraction form
    137,460,225.76/206,568,255.60 = 128,472,180.64/x
  3. Step 3: Cross multiply
    137,460,225.76x = 206,568,255.60 × 128,472,180.64
  4. Step 4: Simplify right side
    137,460,225.76x = 26,538,274,247,932,892
  5. Step 5: Solve for x
    x = 26,538,274,247,932,892/137,460,225.76
  6. Step 6: Final answer
    x = 193,061,477.25

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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.