Home / 263,426,079.45-394,985,954.56-99,676,485.62

Finding the Fourth Proportional to 263,426,079.45, 394,985,954.56 and 99,676,485.62

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Solution

The fourth proportional to 263,426,079.45, 394,985,954.56 and 99,676,485.62 is: 149,456,773.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,426,079.45 : 394,985,954.56 = 99,676,485.62 : x
  2. Step 2: Convert to fraction form
    263,426,079.45/394,985,954.56 = 99,676,485.62/x
  3. Step 3: Cross multiply
    263,426,079.45x = 394,985,954.56 × 99,676,485.62
  4. Step 4: Simplify right side
    263,426,079.45x = 39,370,811,819,801,816
  5. Step 5: Solve for x
    x = 39,370,811,819,801,816/263,426,079.45
  6. Step 6: Final answer
    x = 149,456,773.23

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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.