Home / 81,092,339.68-111,906,537.60-43,921,696

Finding the Fourth Proportional to 81,092,339.68, 111,906,537.60 and 43,921,696

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Solution

The fourth proportional to 81,092,339.68, 111,906,537.60 and 43,921,696 is: 60,611,457.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,092,339.68 : 111,906,537.60 = 43,921,696 : x
  2. Step 2: Convert to fraction form
    81,092,339.68/111,906,537.60 = 43,921,696/x
  3. Step 3: Cross multiply
    81,092,339.68x = 111,906,537.60 × 43,921,696
  4. Step 4: Simplify right side
    81,092,339.68x = 4,915,124,924,879,769
  5. Step 5: Solve for x
    x = 4,915,124,924,879,769/81,092,339.68
  6. Step 6: Final answer
    x = 60,611,457.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.