Home / 53,413,636.80-80,120,455.20-19,322,680.80

Finding the Fourth Proportional to 53,413,636.80, 80,120,455.20 and 19,322,680.80

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Solution

The fourth proportional to 53,413,636.80, 80,120,455.20 and 19,322,680.80 is: 28,984,021.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,413,636.80 : 80,120,455.20 = 19,322,680.80 : x
  2. Step 2: Convert to fraction form
    53,413,636.80/80,120,455.20 = 19,322,680.80/x
  3. Step 3: Cross multiply
    53,413,636.80x = 80,120,455.20 × 19,322,680.80
  4. Step 4: Simplify right side
    53,413,636.80x = 1,548,141,981,380,300.25
  5. Step 5: Solve for x
    x = 1,548,141,981,380,300.25/53,413,636.80
  6. Step 6: Final answer
    x = 28,984,021.20

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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.