Home / 205,782,353.23-308,734,165.78-82,897,435.33

Finding the Fourth Proportional to 205,782,353.23, 308,734,165.78 and 82,897,435.33

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Solution

The fourth proportional to 205,782,353.23, 308,734,165.78 and 82,897,435.33 is: 124,370,579.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,782,353.23 : 308,734,165.78 = 82,897,435.33 : x
  2. Step 2: Convert to fraction form
    205,782,353.23/308,734,165.78 = 82,897,435.33/x
  3. Step 3: Cross multiply
    205,782,353.23x = 308,734,165.78 × 82,897,435.33
  4. Step 4: Simplify right side
    205,782,353.23x = 25,593,270,541,909,048
  5. Step 5: Solve for x
    x = 25,593,270,541,909,048/205,782,353.23
  6. Step 6: Final answer
    x = 124,370,579.60

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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.