Home / 131,495,538.70-197,243,308.05-54,873,556.30

Finding the Fourth Proportional to 131,495,538.70, 197,243,308.05 and 54,873,556.30

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Solution

The fourth proportional to 131,495,538.70, 197,243,308.05 and 54,873,556.30 is: 82,310,334.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,495,538.70 : 197,243,308.05 = 54,873,556.30 : x
  2. Step 2: Convert to fraction form
    131,495,538.70/197,243,308.05 = 54,873,556.30/x
  3. Step 3: Cross multiply
    131,495,538.70x = 197,243,308.05 × 54,873,556.30
  4. Step 4: Simplify right side
    131,495,538.70x = 10,823,441,769,079,918
  5. Step 5: Solve for x
    x = 10,823,441,769,079,918/131,495,538.70
  6. Step 6: Final answer
    x = 82,310,334.45

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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.