Home / 263,465,682.20-394,915,088.10-99,640,136.60

Finding the Fourth Proportional to 263,465,682.20, 394,915,088.10 and 99,640,136.60

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Solution

The fourth proportional to 263,465,682.20, 394,915,088.10 and 99,640,136.60 is: 149,353,012.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,465,682.20 : 394,915,088.10 = 99,640,136.60 : x
  2. Step 2: Convert to fraction form
    263,465,682.20/394,915,088.10 = 99,640,136.60/x
  3. Step 3: Cross multiply
    263,465,682.20x = 394,915,088.10 × 99,640,136.60
  4. Step 4: Simplify right side
    263,465,682.20x = 39,349,393,323,685,032
  5. Step 5: Solve for x
    x = 39,349,393,323,685,032/263,465,682.20
  6. Step 6: Final answer
    x = 149,353,012.49

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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.