Home / 43,465,027.20-65,149,924.80-21,865,180.80

Finding the Fourth Proportional to 43,465,027.20, 65,149,924.80 and 21,865,180.80

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Solution

The fourth proportional to 43,465,027.20, 65,149,924.80 and 21,865,180.80 is: 32,773,817.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,465,027.20 : 65,149,924.80 = 21,865,180.80 : x
  2. Step 2: Convert to fraction form
    43,465,027.20/65,149,924.80 = 21,865,180.80/x
  3. Step 3: Cross multiply
    43,465,027.20x = 65,149,924.80 × 21,865,180.80
  4. Step 4: Simplify right side
    43,465,027.20x = 1,424,514,884,858,403.75
  5. Step 5: Solve for x
    x = 1,424,514,884,858,403.75/43,465,027.20
  6. Step 6: Final answer
    x = 32,773,817.86

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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.