Home / 202,121,920.80-302,616,010.80-196,453,216.80

Finding the Fourth Proportional to 202,121,920.80, 302,616,010.80 and 196,453,216.80

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Solution

The fourth proportional to 202,121,920.80, 302,616,010.80 and 196,453,216.80 is: 294,128,853.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,121,920.80 : 302,616,010.80 = 196,453,216.80 : x
  2. Step 2: Convert to fraction form
    202,121,920.80/302,616,010.80 = 196,453,216.80/x
  3. Step 3: Cross multiply
    202,121,920.80x = 302,616,010.80 × 196,453,216.80
  4. Step 4: Simplify right side
    202,121,920.80x = 59,449,888,776,843,544
  5. Step 5: Solve for x
    x = 59,449,888,776,843,544/202,121,920.80
  6. Step 6: Final answer
    x = 294,128,853.23

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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.