Home / 134,939,416.38-186,228,876.82-82,003,906.96

Finding the Fourth Proportional to 134,939,416.38, 186,228,876.82 and 82,003,906.96

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Solution

The fourth proportional to 134,939,416.38, 186,228,876.82 and 82,003,906.96 is: 113,172,977.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,939,416.38 : 186,228,876.82 = 82,003,906.96 : x
  2. Step 2: Convert to fraction form
    134,939,416.38/186,228,876.82 = 82,003,906.96/x
  3. Step 3: Cross multiply
    134,939,416.38x = 186,228,876.82 × 82,003,906.96
  4. Step 4: Simplify right side
    134,939,416.38x = 15,271,495,488,012,578
  5. Step 5: Solve for x
    x = 15,271,495,488,012,578/134,939,416.38
  6. Step 6: Final answer
    x = 113,172,977.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.