Home / 49,540,345.20-74,310,517.80-45,076,240.80

Finding the Fourth Proportional to 49,540,345.20, 74,310,517.80 and 45,076,240.80

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Solution

The fourth proportional to 49,540,345.20, 74,310,517.80 and 45,076,240.80 is: 67,614,361.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,540,345.20 : 74,310,517.80 = 45,076,240.80 : x
  2. Step 2: Convert to fraction form
    49,540,345.20/74,310,517.80 = 45,076,240.80/x
  3. Step 3: Cross multiply
    49,540,345.20x = 74,310,517.80 × 45,076,240.80
  4. Step 4: Simplify right side
    49,540,345.20x = 3,349,638,794,325,486
  5. Step 5: Solve for x
    x = 3,349,638,794,325,486/49,540,345.20
  6. Step 6: Final answer
    x = 67,614,361.20

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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.