Home / 269,139,054.70-371,412,058.20-145,379,786.50

Finding the Fourth Proportional to 269,139,054.70, 371,412,058.20 and 145,379,786.50

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Solution

The fourth proportional to 269,139,054.70, 371,412,058.20 and 145,379,786.50 is: 200,624,193.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,139,054.70 : 371,412,058.20 = 145,379,786.50 : x
  2. Step 2: Convert to fraction form
    269,139,054.70/371,412,058.20 = 145,379,786.50/x
  3. Step 3: Cross multiply
    269,139,054.70x = 371,412,058.20 × 145,379,786.50
  4. Step 4: Simplify right side
    269,139,054.70x = 53,995,805,724,641,576
  5. Step 5: Solve for x
    x = 53,995,805,724,641,576/269,139,054.70
  6. Step 6: Final answer
    x = 200,624,193.26

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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.