Home / 84,563,722.20-127,034,540.10-82,296,240.60

Finding the Fourth Proportional to 84,563,722.20, 127,034,540.10 and 82,296,240.60

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Solution

The fourth proportional to 84,563,722.20, 127,034,540.10 and 82,296,240.60 is: 123,628,251.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,563,722.20 : 127,034,540.10 = 82,296,240.60 : x
  2. Step 2: Convert to fraction form
    84,563,722.20/127,034,540.10 = 82,296,240.60/x
  3. Step 3: Cross multiply
    84,563,722.20x = 127,034,540.10 × 82,296,240.60
  4. Step 4: Simplify right side
    84,563,722.20x = 10,454,465,076,579,946
  5. Step 5: Solve for x
    x = 10,454,465,076,579,946/84,563,722.20
  6. Step 6: Final answer
    x = 123,628,251.03

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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.