Home / 53,899,218.40-80,848,827.60-21,556,112.80

Finding the Fourth Proportional to 53,899,218.40, 80,848,827.60 and 21,556,112.80

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Solution

The fourth proportional to 53,899,218.40, 80,848,827.60 and 21,556,112.80 is: 32,334,169.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,899,218.40 : 80,848,827.60 = 21,556,112.80 : x
  2. Step 2: Convert to fraction form
    53,899,218.40/80,848,827.60 = 21,556,112.80/x
  3. Step 3: Cross multiply
    53,899,218.40x = 80,848,827.60 × 21,556,112.80
  4. Step 4: Simplify right side
    53,899,218.40x = 1,742,786,447,493,353.25
  5. Step 5: Solve for x
    x = 1,742,786,447,493,353.25/53,899,218.40
  6. Step 6: Final answer
    x = 32,334,169.20

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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.