Home / 321,636,321.93-481,237,012.78-190,548,974.41

Finding the Fourth Proportional to 321,636,321.93, 481,237,012.78 and 190,548,974.41

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Solution

The fourth proportional to 321,636,321.93, 481,237,012.78 and 190,548,974.41 is: 285,102,188.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,636,321.93 : 481,237,012.78 = 190,548,974.41 : x
  2. Step 2: Convert to fraction form
    321,636,321.93/481,237,012.78 = 190,548,974.41/x
  3. Step 3: Cross multiply
    321,636,321.93x = 481,237,012.78 × 190,548,974.41
  4. Step 4: Simplify right side
    321,636,321.93x = 91,699,219,233,361,056
  5. Step 5: Solve for x
    x = 91,699,219,233,361,056/321,636,321.93
  6. Step 6: Final answer
    x = 285,102,188.34

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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.