Home / 263,047,314.80-394,595,855.40-71,571,090.80

Finding the Fourth Proportional to 263,047,314.80, 394,595,855.40 and 71,571,090.80

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Solution

The fourth proportional to 263,047,314.80, 394,595,855.40 and 71,571,090.80 is: 107,363,406.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,047,314.80 : 394,595,855.40 = 71,571,090.80 : x
  2. Step 2: Convert to fraction form
    263,047,314.80/394,595,855.40 = 71,571,090.80/x
  3. Step 3: Cross multiply
    263,047,314.80x = 394,595,855.40 × 71,571,090.80
  4. Step 4: Simplify right side
    263,047,314.80x = 28,241,655,796,137,068
  5. Step 5: Solve for x
    x = 28,241,655,796,137,068/263,047,314.80
  6. Step 6: Final answer
    x = 107,363,406.53

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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.