Home / 196,262,981.70-294,394,472.55-194,919,288.90

Finding the Fourth Proportional to 196,262,981.70, 294,394,472.55 and 194,919,288.90

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Solution

The fourth proportional to 196,262,981.70, 294,394,472.55 and 194,919,288.90 is: 292,378,933.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,262,981.70 : 294,394,472.55 = 194,919,288.90 : x
  2. Step 2: Convert to fraction form
    196,262,981.70/294,394,472.55 = 194,919,288.90/x
  3. Step 3: Cross multiply
    196,262,981.70x = 294,394,472.55 × 194,919,288.90
  4. Step 4: Simplify right side
    196,262,981.70x = 57,383,161,245,536,576
  5. Step 5: Solve for x
    x = 57,383,161,245,536,576/196,262,981.70
  6. Step 6: Final answer
    x = 292,378,933.35

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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.