Home / 269,139,048.94-371,412,050.25-145,379,780.74

Finding the Fourth Proportional to 269,139,048.94, 371,412,050.25 and 145,379,780.74

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Solution

The fourth proportional to 269,139,048.94, 371,412,050.25 and 145,379,780.74 is: 200,624,185.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,139,048.94 : 371,412,050.25 = 145,379,780.74 : x
  2. Step 2: Convert to fraction form
    269,139,048.94/371,412,050.25 = 145,379,780.74/x
  3. Step 3: Cross multiply
    269,139,048.94x = 371,412,050.25 × 145,379,780.74
  4. Step 4: Simplify right side
    269,139,048.94x = 53,995,802,429,538,864
  5. Step 5: Solve for x
    x = 53,995,802,429,538,864/269,139,048.94
  6. Step 6: Final answer
    x = 200,624,185.31

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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.