Home / 269,139,047.94-371,412,048.87-145,379,779.74

Finding the Fourth Proportional to 269,139,047.94, 371,412,048.87 and 145,379,779.74

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Solution

The fourth proportional to 269,139,047.94, 371,412,048.87 and 145,379,779.74 is: 200,624,183.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,139,047.94 : 371,412,048.87 = 145,379,779.74 : x
  2. Step 2: Convert to fraction form
    269,139,047.94/371,412,048.87 = 145,379,779.74/x
  3. Step 3: Cross multiply
    269,139,047.94x = 371,412,048.87 × 145,379,779.74
  4. Step 4: Simplify right side
    269,139,047.94x = 53,995,801,857,502,720
  5. Step 5: Solve for x
    x = 53,995,801,857,502,720/269,139,047.94
  6. Step 6: Final answer
    x = 200,624,183.93

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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.