Home / 53,901,081.40-80,851,622.10-21,536,980.60

Finding the Fourth Proportional to 53,901,081.40, 80,851,622.10 and 21,536,980.60

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Solution

The fourth proportional to 53,901,081.40, 80,851,622.10 and 21,536,980.60 is: 32,305,470.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,901,081.40 : 80,851,622.10 = 21,536,980.60 : x
  2. Step 2: Convert to fraction form
    53,901,081.40/80,851,622.10 = 21,536,980.60/x
  3. Step 3: Cross multiply
    53,901,081.40x = 80,851,622.10 × 21,536,980.60
  4. Step 4: Simplify right side
    53,901,081.40x = 1,741,299,816,646,231.25
  5. Step 5: Solve for x
    x = 1,741,299,816,646,231.25/53,901,081.40
  6. Step 6: Final answer
    x = 32,305,470.90

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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.