Home / 53,899,221.40-80,848,832.10-21,556,115.80

Finding the Fourth Proportional to 53,899,221.40, 80,848,832.10 and 21,556,115.80

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Solution

The fourth proportional to 53,899,221.40, 80,848,832.10 and 21,556,115.80 is: 32,334,173.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,899,221.40 : 80,848,832.10 = 21,556,115.80 : x
  2. Step 2: Convert to fraction form
    53,899,221.40/80,848,832.10 = 21,556,115.80/x
  3. Step 3: Cross multiply
    53,899,221.40x = 80,848,832.10 × 21,556,115.80
  4. Step 4: Simplify right side
    53,899,221.40x = 1,742,786,787,042,357
  5. Step 5: Solve for x
    x = 1,742,786,787,042,357/53,899,221.40
  6. Step 6: Final answer
    x = 32,334,173.70

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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.