Home / 125,512,231.64-188,160,521.32-43,620,470.44

Finding the Fourth Proportional to 125,512,231.64, 188,160,521.32 and 43,620,470.44

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Solution

The fourth proportional to 125,512,231.64, 188,160,521.32 and 43,620,470.44 is: 65,393,231.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,512,231.64 : 188,160,521.32 = 43,620,470.44 : x
  2. Step 2: Convert to fraction form
    125,512,231.64/188,160,521.32 = 43,620,470.44/x
  3. Step 3: Cross multiply
    125,512,231.64x = 188,160,521.32 × 43,620,470.44
  4. Step 4: Simplify right side
    125,512,231.64x = 8,207,650,458,214,049
  5. Step 5: Solve for x
    x = 8,207,650,458,214,049/125,512,231.64
  6. Step 6: Final answer
    x = 65,393,231.81

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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.