Home / 290,206,263.42-400,481,855.37-158,049,472.50

Finding the Fourth Proportional to 290,206,263.42, 400,481,855.37 and 158,049,472.50

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Solution

The fourth proportional to 290,206,263.42, 400,481,855.37 and 158,049,472.50 is: 218,106,753.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,206,263.42 : 400,481,855.37 = 158,049,472.50 : x
  2. Step 2: Convert to fraction form
    290,206,263.42/400,481,855.37 = 158,049,472.50/x
  3. Step 3: Cross multiply
    290,206,263.42x = 400,481,855.37 × 158,049,472.50
  4. Step 4: Simplify right side
    290,206,263.42x = 63,295,945,987,049,792
  5. Step 5: Solve for x
    x = 63,295,945,987,049,792/290,206,263.42
  6. Step 6: Final answer
    x = 218,106,753.59

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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.