Home / 48,100,492.80-72,150,739.20-31,661,251.20

Finding the Fourth Proportional to 48,100,492.80, 72,150,739.20 and 31,661,251.20

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Solution

The fourth proportional to 48,100,492.80, 72,150,739.20 and 31,661,251.20 is: 47,491,876.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,100,492.80 : 72,150,739.20 = 31,661,251.20 : x
  2. Step 2: Convert to fraction form
    48,100,492.80/72,150,739.20 = 31,661,251.20/x
  3. Step 3: Cross multiply
    48,100,492.80x = 72,150,739.20 × 31,661,251.20
  4. Step 4: Simplify right side
    48,100,492.80x = 2,284,382,678,076,887
  5. Step 5: Solve for x
    x = 2,284,382,678,076,887/48,100,492.80
  6. Step 6: Final answer
    x = 47,491,876.80

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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.