Home / 131,495,648.20-197,243,472.30-54,873,665.80

Finding the Fourth Proportional to 131,495,648.20, 197,243,472.30 and 54,873,665.80

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Solution

The fourth proportional to 131,495,648.20, 197,243,472.30 and 54,873,665.80 is: 82,310,498.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,495,648.20 : 197,243,472.30 = 54,873,665.80 : x
  2. Step 2: Convert to fraction form
    131,495,648.20/197,243,472.30 = 54,873,665.80/x
  3. Step 3: Cross multiply
    131,495,648.20x = 197,243,472.30 × 54,873,665.80
  4. Step 4: Simplify right side
    131,495,648.20x = 10,823,472,380,221,758
  5. Step 5: Solve for x
    x = 10,823,472,380,221,758/131,495,648.20
  6. Step 6: Final answer
    x = 82,310,498.70

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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.