Home / 274,678,889.50-378,963,119.46-170,218,846.54

Finding the Fourth Proportional to 274,678,889.50, 378,963,119.46 and 170,218,846.54

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Solution

The fourth proportional to 274,678,889.50, 378,963,119.46 and 170,218,846.54 is: 234,843,912.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,678,889.50 : 378,963,119.46 = 170,218,846.54 : x
  2. Step 2: Convert to fraction form
    274,678,889.50/378,963,119.46 = 170,218,846.54/x
  3. Step 3: Cross multiply
    274,678,889.50x = 378,963,119.46 × 170,218,846.54
  4. Step 4: Simplify right side
    274,678,889.50x = 64,506,665,075,681,424
  5. Step 5: Solve for x
    x = 64,506,665,075,681,424/274,678,889.50
  6. Step 6: Final answer
    x = 234,843,912.44

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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.