Home / 53,728,010.80-80,592,016.20-38,723,441.20

Finding the Fourth Proportional to 53,728,010.80, 80,592,016.20 and 38,723,441.20

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Solution

The fourth proportional to 53,728,010.80, 80,592,016.20 and 38,723,441.20 is: 58,085,161.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,728,010.80 : 80,592,016.20 = 38,723,441.20 : x
  2. Step 2: Convert to fraction form
    53,728,010.80/80,592,016.20 = 38,723,441.20/x
  3. Step 3: Cross multiply
    53,728,010.80x = 80,592,016.20 × 38,723,441.20
  4. Step 4: Simplify right side
    53,728,010.80x = 3,120,800,200,510,148
  5. Step 5: Solve for x
    x = 3,120,800,200,510,148/53,728,010.80
  6. Step 6: Final answer
    x = 58,085,161.80

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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.