Home / 53,651,271.20-80,476,906.80-42,691,776.80

Finding the Fourth Proportional to 53,651,271.20, 80,476,906.80 and 42,691,776.80

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Solution

The fourth proportional to 53,651,271.20, 80,476,906.80 and 42,691,776.80 is: 64,037,665.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,651,271.20 : 80,476,906.80 = 42,691,776.80 : x
  2. Step 2: Convert to fraction form
    53,651,271.20/80,476,906.80 = 42,691,776.80/x
  3. Step 3: Cross multiply
    53,651,271.20x = 80,476,906.80 × 42,691,776.80
  4. Step 4: Simplify right side
    53,651,271.20x = 3,435,702,142,660,002
  5. Step 5: Solve for x
    x = 3,435,702,142,660,002/53,651,271.20
  6. Step 6: Final answer
    x = 64,037,665.20

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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.