Home / 269,139,047.69-371,412,048.53-145,379,779.49

Finding the Fourth Proportional to 269,139,047.69, 371,412,048.53 and 145,379,779.49

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Solution

The fourth proportional to 269,139,047.69, 371,412,048.53 and 145,379,779.49 is: 200,624,183.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,139,047.69 : 371,412,048.53 = 145,379,779.49 : x
  2. Step 2: Convert to fraction form
    269,139,047.69/371,412,048.53 = 145,379,779.49/x
  3. Step 3: Cross multiply
    269,139,047.69x = 371,412,048.53 × 145,379,779.49
  4. Step 4: Simplify right side
    269,139,047.69x = 53,995,801,715,220,576
  5. Step 5: Solve for x
    x = 53,995,801,715,220,576/269,139,047.69
  6. Step 6: Final answer
    x = 200,624,183.59

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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.