Home / 202,117,843.80-302,609,895.30-196,449,139.80

Finding the Fourth Proportional to 202,117,843.80, 302,609,895.30 and 196,449,139.80

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Solution

The fourth proportional to 202,117,843.80, 302,609,895.30 and 196,449,139.80 is: 294,122,738.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,117,843.80 : 302,609,895.30 = 196,449,139.80 : x
  2. Step 2: Convert to fraction form
    202,117,843.80/302,609,895.30 = 196,449,139.80/x
  3. Step 3: Cross multiply
    202,117,843.80x = 302,609,895.30 × 196,449,139.80
  4. Step 4: Simplify right side
    202,117,843.80x = 59,447,453,626,653,072
  5. Step 5: Solve for x
    x = 59,447,453,626,653,072/202,117,843.80
  6. Step 6: Final answer
    x = 294,122,738.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.