Home / 255,404,194.36-383,069,914.71-80,504,498.37

Finding the Fourth Proportional to 255,404,194.36, 383,069,914.71 and 80,504,498.37

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Solution

The fourth proportional to 255,404,194.36, 383,069,914.71 and 80,504,498.37 is: 120,745,281.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,404,194.36 : 383,069,914.71 = 80,504,498.37 : x
  2. Step 2: Convert to fraction form
    255,404,194.36/383,069,914.71 = 80,504,498.37/x
  3. Step 3: Cross multiply
    255,404,194.36x = 383,069,914.71 × 80,504,498.37
  4. Step 4: Simplify right side
    255,404,194.36x = 30,838,851,325,501,856
  5. Step 5: Solve for x
    x = 30,838,851,325,501,856/255,404,194.36
  6. Step 6: Final answer
    x = 120,745,281.43

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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.