Home / 129,555,942.88-194,333,914.32-43,294,349.63

Finding the Fourth Proportional to 129,555,942.88, 194,333,914.32 and 43,294,349.63

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Solution

The fourth proportional to 129,555,942.88, 194,333,914.32 and 43,294,349.63 is: 64,941,524.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,555,942.88 : 194,333,914.32 = 43,294,349.63 : x
  2. Step 2: Convert to fraction form
    129,555,942.88/194,333,914.32 = 43,294,349.63/x
  3. Step 3: Cross multiply
    129,555,942.88x = 194,333,914.32 × 43,294,349.63
  4. Step 4: Simplify right side
    129,555,942.88x = 8,413,560,431,252,944
  5. Step 5: Solve for x
    x = 8,413,560,431,252,944/129,555,942.88
  6. Step 6: Final answer
    x = 64,941,524.44

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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.