Home / 275,190,409.56-379,757,959.86-149,738,373.30

Finding the Fourth Proportional to 275,190,409.56, 379,757,959.86 and 149,738,373.30

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Solution

The fourth proportional to 275,190,409.56, 379,757,959.86 and 149,738,373.30 is: 206,636,340.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,190,409.56 : 379,757,959.86 = 149,738,373.30 : x
  2. Step 2: Convert to fraction form
    275,190,409.56/379,757,959.86 = 149,738,373.30/x
  3. Step 3: Cross multiply
    275,190,409.56x = 379,757,959.86 × 149,738,373.30
  4. Step 4: Simplify right side
    275,190,409.56x = 56,864,339,157,163,104
  5. Step 5: Solve for x
    x = 56,864,339,157,163,104/275,190,409.56
  6. Step 6: Final answer
    x = 206,636,340.45

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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.