Home / 131,495,778.70-197,243,668.05-54,873,796.30

Finding the Fourth Proportional to 131,495,778.70, 197,243,668.05 and 54,873,796.30

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Solution

The fourth proportional to 131,495,778.70, 197,243,668.05 and 54,873,796.30 is: 82,310,694.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,495,778.70 : 197,243,668.05 = 54,873,796.30 : x
  2. Step 2: Convert to fraction form
    131,495,778.70/197,243,668.05 = 54,873,796.30/x
  3. Step 3: Cross multiply
    131,495,778.70x = 197,243,668.05 × 54,873,796.30
  4. Step 4: Simplify right side
    131,495,778.70x = 10,823,508,862,040,518
  5. Step 5: Solve for x
    x = 10,823,508,862,040,518/131,495,778.70
  6. Step 6: Final answer
    x = 82,310,694.45

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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.