Home / 50,809,119,648.78-76,222,362,243.30-20,947,126,696.98

Finding the Fourth Proportional to 50,809,119,648.78, 76,222,362,243.30 and 20,947,126,696.98

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Solution

The fourth proportional to 50,809,119,648.78, 76,222,362,243.30 and 20,947,126,696.98 is: 31,424,269,699.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,809,119,648.78 : 76,222,362,243.30 = 20,947,126,696.98 : x
  2. Step 2: Convert to fraction form
    50,809,119,648.78/76,222,362,243.30 = 20,947,126,696.98/x
  3. Step 3: Cross multiply
    50,809,119,648.78x = 76,222,362,243.30 × 20,947,126,696.98
  4. Step 4: Simplify right side
    50,809,119,648.78x = 1,596,639,479,053,509,722,112
  5. Step 5: Solve for x
    x = 1,596,639,479,053,509,722,112/50,809,119,648.78
  6. Step 6: Final answer
    x = 31,424,269,699.82

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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.