Home / 141,743,351.20-212,615,026.80-121,336,016.80

Finding the Fourth Proportional to 141,743,351.20, 212,615,026.80 and 121,336,016.80

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Solution

The fourth proportional to 141,743,351.20, 212,615,026.80 and 121,336,016.80 is: 182,004,025.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,743,351.20 : 212,615,026.80 = 121,336,016.80 : x
  2. Step 2: Convert to fraction form
    141,743,351.20/212,615,026.80 = 121,336,016.80/x
  3. Step 3: Cross multiply
    141,743,351.20x = 212,615,026.80 × 121,336,016.80
  4. Step 4: Simplify right side
    141,743,351.20x = 25,797,860,463,737,252
  5. Step 5: Solve for x
    x = 25,797,860,463,737,252/141,743,351.20
  6. Step 6: Final answer
    x = 182,004,025.20

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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.