Home / 68,256,194.40-102,384,291.60-45,297,943.20

Finding the Fourth Proportional to 68,256,194.40, 102,384,291.60 and 45,297,943.20

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Solution

The fourth proportional to 68,256,194.40, 102,384,291.60 and 45,297,943.20 is: 67,946,914.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,256,194.40 : 102,384,291.60 = 45,297,943.20 : x
  2. Step 2: Convert to fraction form
    68,256,194.40/102,384,291.60 = 45,297,943.20/x
  3. Step 3: Cross multiply
    68,256,194.40x = 102,384,291.60 × 45,297,943.20
  4. Step 4: Simplify right side
    68,256,194.40x = 4,637,797,825,469,037
  5. Step 5: Solve for x
    x = 4,637,797,825,469,037/68,256,194.40
  6. Step 6: Final answer
    x = 67,946,914.80

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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.