Home / 144,965,608.78-200,052,572.78-79,775,512.78

Finding the Fourth Proportional to 144,965,608.78, 200,052,572.78 and 79,775,512.78

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Solution

The fourth proportional to 144,965,608.78, 200,052,572.78 and 79,775,512.78 is: 110,090,225.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,965,608.78 : 200,052,572.78 = 79,775,512.78 : x
  2. Step 2: Convert to fraction form
    144,965,608.78/200,052,572.78 = 79,775,512.78/x
  3. Step 3: Cross multiply
    144,965,608.78x = 200,052,572.78 × 79,775,512.78
  4. Step 4: Simplify right side
    144,965,608.78x = 15,959,296,576,482,770
  5. Step 5: Solve for x
    x = 15,959,296,576,482,770/144,965,608.78
  6. Step 6: Final answer
    x = 110,090,225.61

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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.