Home / 263,051,567.80-394,602,234.90-71,575,343.80

Finding the Fourth Proportional to 263,051,567.80, 394,602,234.90 and 71,575,343.80

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Solution

The fourth proportional to 263,051,567.80, 394,602,234.90 and 71,575,343.80 is: 107,369,786.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,051,567.80 : 394,602,234.90 = 71,575,343.80 : x
  2. Step 2: Convert to fraction form
    263,051,567.80/394,602,234.90 = 71,575,343.80/x
  3. Step 3: Cross multiply
    263,051,567.80x = 394,602,234.90 × 71,575,343.80
  4. Step 4: Simplify right side
    263,051,567.80x = 28,243,790,627,215,856
  5. Step 5: Solve for x
    x = 28,243,790,627,215,856/263,051,567.80
  6. Step 6: Final answer
    x = 107,369,786.33

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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.