Home / 144,048,269.36-198,786,621.42-78,858,173.36

Finding the Fourth Proportional to 144,048,269.36, 198,786,621.42 and 78,858,173.36

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Solution

The fourth proportional to 144,048,269.36, 198,786,621.42 and 78,858,173.36 is: 108,824,284.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,048,269.36 : 198,786,621.42 = 78,858,173.36 : x
  2. Step 2: Convert to fraction form
    144,048,269.36/198,786,621.42 = 78,858,173.36/x
  3. Step 3: Cross multiply
    144,048,269.36x = 198,786,621.42 × 78,858,173.36
  4. Step 4: Simplify right side
    144,048,269.36x = 15,675,949,853,587,048
  5. Step 5: Solve for x
    x = 15,675,949,853,587,048/144,048,269.36
  6. Step 6: Final answer
    x = 108,824,284.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.