Home / 275,814,240.12-413,781,896.34-81,740,866.14

Finding the Fourth Proportional to 275,814,240.12, 413,781,896.34 and 81,740,866.14

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Solution

The fourth proportional to 275,814,240.12, 413,781,896.34 and 81,740,866.14 is: 122,629,239.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,814,240.12 : 413,781,896.34 = 81,740,866.14 : x
  2. Step 2: Convert to fraction form
    275,814,240.12/413,781,896.34 = 81,740,866.14/x
  3. Step 3: Cross multiply
    275,814,240.12x = 413,781,896.34 × 81,740,866.14
  4. Step 4: Simplify right side
    275,814,240.12x = 33,822,890,599,883,296
  5. Step 5: Solve for x
    x = 33,822,890,599,883,296/275,814,240.12
  6. Step 6: Final answer
    x = 122,629,239.83

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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.