Home / 87,201,020.80-130,777,911.60-25,790,060.80

Finding the Fourth Proportional to 87,201,020.80, 130,777,911.60 and 25,790,060.80

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Solution

The fourth proportional to 87,201,020.80, 130,777,911.60 and 25,790,060.80 is: 38,678,105.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,201,020.80 : 130,777,911.60 = 25,790,060.80 : x
  2. Step 2: Convert to fraction form
    87,201,020.80/130,777,911.60 = 25,790,060.80/x
  3. Step 3: Cross multiply
    87,201,020.80x = 130,777,911.60 × 25,790,060.80
  4. Step 4: Simplify right side
    87,201,020.80x = 3,372,770,291,461,025
  5. Step 5: Solve for x
    x = 3,372,770,291,461,025/87,201,020.80
  6. Step 6: Final answer
    x = 38,678,105.61

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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.