Home / 36,289,813.20-54,434,719.80-20,331,387.60

Finding the Fourth Proportional to 36,289,813.20, 54,434,719.80 and 20,331,387.60

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Solution

The fourth proportional to 36,289,813.20, 54,434,719.80 and 20,331,387.60 is: 30,497,081.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,289,813.20 : 54,434,719.80 = 20,331,387.60 : x
  2. Step 2: Convert to fraction form
    36,289,813.20/54,434,719.80 = 20,331,387.60/x
  3. Step 3: Cross multiply
    36,289,813.20x = 54,434,719.80 × 20,331,387.60
  4. Step 4: Simplify right side
    36,289,813.20x = 1,106,733,387,151,194.50
  5. Step 5: Solve for x
    x = 1,106,733,387,151,194.50/36,289,813.20
  6. Step 6: Final answer
    x = 30,497,081.40

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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.