Home / 262,991,611.40-394,487,417.10-109,747,646.60

Finding the Fourth Proportional to 262,991,611.40, 394,487,417.10 and 109,747,646.60

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Solution

The fourth proportional to 262,991,611.40, 394,487,417.10 and 109,747,646.60 is: 164,621,469.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,991,611.40 : 394,487,417.10 = 109,747,646.60 : x
  2. Step 2: Convert to fraction form
    262,991,611.40/394,487,417.10 = 109,747,646.60/x
  3. Step 3: Cross multiply
    262,991,611.40x = 394,487,417.10 × 109,747,646.60
  4. Step 4: Simplify right side
    262,991,611.40x = 43,294,065,640,037,600
  5. Step 5: Solve for x
    x = 43,294,065,640,037,600/262,991,611.40
  6. Step 6: Final answer
    x = 164,621,469.90

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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.