Home / 131,495,760.20-197,243,640.30-54,873,777.80

Finding the Fourth Proportional to 131,495,760.20, 197,243,640.30 and 54,873,777.80

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Solution

The fourth proportional to 131,495,760.20, 197,243,640.30 and 54,873,777.80 is: 82,310,666.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,495,760.20 : 197,243,640.30 = 54,873,777.80 : x
  2. Step 2: Convert to fraction form
    131,495,760.20/197,243,640.30 = 54,873,777.80/x
  3. Step 3: Cross multiply
    131,495,760.20x = 197,243,640.30 × 54,873,777.80
  4. Step 4: Simplify right side
    131,495,760.20x = 10,823,503,690,285,326
  5. Step 5: Solve for x
    x = 10,823,503,690,285,326/131,495,760.20
  6. Step 6: Final answer
    x = 82,310,666.70

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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.