Home / 263,039,177.80-394,583,649.90-71,562,953.80

Finding the Fourth Proportional to 263,039,177.80, 394,583,649.90 and 71,562,953.80

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Solution

The fourth proportional to 263,039,177.80, 394,583,649.90 and 71,562,953.80 is: 107,351,200.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,039,177.80 : 394,583,649.90 = 71,562,953.80 : x
  2. Step 2: Convert to fraction form
    263,039,177.80/394,583,649.90 = 71,562,953.80/x
  3. Step 3: Cross multiply
    263,039,177.80x = 394,583,649.90 × 71,562,953.80
  4. Step 4: Simplify right side
    263,039,177.80x = 28,237,571,508,029,072
  5. Step 5: Solve for x
    x = 28,237,571,508,029,072/263,039,177.80
  6. Step 6: Final answer
    x = 107,351,200.47

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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.