Home / 262,991,369.40-394,487,054.10-109,747,404.60

Finding the Fourth Proportional to 262,991,369.40, 394,487,054.10 and 109,747,404.60

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Solution

The fourth proportional to 262,991,369.40, 394,487,054.10 and 109,747,404.60 is: 164,621,106.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,991,369.40 : 394,487,054.10 = 109,747,404.60 : x
  2. Step 2: Convert to fraction form
    262,991,369.40/394,487,054.10 = 109,747,404.60/x
  3. Step 3: Cross multiply
    262,991,369.40x = 394,487,054.10 × 109,747,404.60
  4. Step 4: Simplify right side
    262,991,369.40x = 43,293,930,335,774,792
  5. Step 5: Solve for x
    x = 43,293,930,335,774,792/262,991,369.40
  6. Step 6: Final answer
    x = 164,621,106.90

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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.