Home / 262,991,610.40-394,487,415.60-109,747,645.60

Finding the Fourth Proportional to 262,991,610.40, 394,487,415.60 and 109,747,645.60

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Solution

The fourth proportional to 262,991,610.40, 394,487,415.60 and 109,747,645.60 is: 164,621,468.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,991,610.40 : 394,487,415.60 = 109,747,645.60 : x
  2. Step 2: Convert to fraction form
    262,991,610.40/394,487,415.60 = 109,747,645.60/x
  3. Step 3: Cross multiply
    262,991,610.40x = 394,487,415.60 × 109,747,645.60
  4. Step 4: Simplify right side
    262,991,610.40x = 43,294,065,080,928,712
  5. Step 5: Solve for x
    x = 43,294,065,080,928,712/262,991,610.40
  6. Step 6: Final answer
    x = 164,621,468.40

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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.