Home / 112,293,542.70-168,416,694.45-47,599,458.30

Finding the Fourth Proportional to 112,293,542.70, 168,416,694.45 and 47,599,458.30

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Solution

The fourth proportional to 112,293,542.70, 168,416,694.45 and 47,599,458.30 is: 71,389,175.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,293,542.70 : 168,416,694.45 = 47,599,458.30 : x
  2. Step 2: Convert to fraction form
    112,293,542.70/168,416,694.45 = 47,599,458.30/x
  3. Step 3: Cross multiply
    112,293,542.70x = 168,416,694.45 × 47,599,458.30
  4. Step 4: Simplify right side
    112,293,542.70x = 8,016,543,424,496,615
  5. Step 5: Solve for x
    x = 8,016,543,424,496,615/112,293,542.70
  6. Step 6: Final answer
    x = 71,389,175.47

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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.