Home / 252,743,582.78-379,130,071.05-71,004,932.54

Finding the Fourth Proportional to 252,743,582.78, 379,130,071.05 and 71,004,932.54

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Solution

The fourth proportional to 252,743,582.78, 379,130,071.05 and 71,004,932.54 is: 106,511,527.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,743,582.78 : 379,130,071.05 = 71,004,932.54 : x
  2. Step 2: Convert to fraction form
    252,743,582.78/379,130,071.05 = 71,004,932.54/x
  3. Step 3: Cross multiply
    252,743,582.78x = 379,130,071.05 × 71,004,932.54
  4. Step 4: Simplify right side
    252,743,582.78x = 26,920,105,118,790,660
  5. Step 5: Solve for x
    x = 26,920,105,118,790,660/252,743,582.78
  6. Step 6: Final answer
    x = 106,511,527.70

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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.