Home / 112,292,542.80-168,438,814.20-27,191,998.80

Finding the Fourth Proportional to 112,292,542.80, 168,438,814.20 and 27,191,998.80

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Solution

The fourth proportional to 112,292,542.80, 168,438,814.20 and 27,191,998.80 is: 40,787,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,292,542.80 : 168,438,814.20 = 27,191,998.80 : x
  2. Step 2: Convert to fraction form
    112,292,542.80/168,438,814.20 = 27,191,998.80/x
  3. Step 3: Cross multiply
    112,292,542.80x = 168,438,814.20 × 27,191,998.80
  4. Step 4: Simplify right side
    112,292,542.80x = 4,580,188,033,599,823
  5. Step 5: Solve for x
    x = 4,580,188,033,599,823/112,292,542.80
  6. Step 6: Final answer
    x = 40,787,998.20

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Double scale
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Similar ratio
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1.5x scale

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.