Home / 54,081,002.40-81,121,503.60-21,737,896.80

Finding the Fourth Proportional to 54,081,002.40, 81,121,503.60 and 21,737,896.80

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Solution

The fourth proportional to 54,081,002.40, 81,121,503.60 and 21,737,896.80 is: 32,606,845.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,081,002.40 : 81,121,503.60 = 21,737,896.80 : x
  2. Step 2: Convert to fraction form
    54,081,002.40/81,121,503.60 = 21,737,896.80/x
  3. Step 3: Cross multiply
    54,081,002.40x = 81,121,503.60 × 21,737,896.80
  4. Step 4: Simplify right side
    54,081,002.40x = 1,763,410,873,517,628.50
  5. Step 5: Solve for x
    x = 1,763,410,873,517,628.50/54,081,002.40
  6. Step 6: Final answer
    x = 32,606,845.20

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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.