Home / 221,419,472.70-332,138,287.53-75,953,072.82

Finding the Fourth Proportional to 221,419,472.70, 332,138,287.53 and 75,953,072.82

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Solution

The fourth proportional to 221,419,472.70, 332,138,287.53 and 75,953,072.82 is: 113,932,723.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,419,472.70 : 332,138,287.53 = 75,953,072.82 : x
  2. Step 2: Convert to fraction form
    221,419,472.70/332,138,287.53 = 75,953,072.82/x
  3. Step 3: Cross multiply
    221,419,472.70x = 332,138,287.53 × 75,953,072.82
  4. Step 4: Simplify right side
    221,419,472.70x = 25,226,923,539,076,184
  5. Step 5: Solve for x
    x = 25,226,923,539,076,184/221,419,472.70
  6. Step 6: Final answer
    x = 113,932,723.40

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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.