Home / 196,262,943.20-294,394,414.80-194,919,250.40

Finding the Fourth Proportional to 196,262,943.20, 294,394,414.80 and 194,919,250.40

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Solution

The fourth proportional to 196,262,943.20, 294,394,414.80 and 194,919,250.40 is: 292,378,875.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,262,943.20 : 294,394,414.80 = 194,919,250.40 : x
  2. Step 2: Convert to fraction form
    196,262,943.20/294,394,414.80 = 194,919,250.40/x
  3. Step 3: Cross multiply
    196,262,943.20x = 294,394,414.80 × 194,919,250.40
  4. Step 4: Simplify right side
    196,262,943.20x = 57,383,138,654,762,672
  5. Step 5: Solve for x
    x = 57,383,138,654,762,672/196,262,943.20
  6. Step 6: Final answer
    x = 292,378,875.60

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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.