Home / 100,361,763-150,542,653.38-35,668,121.49

Finding the Fourth Proportional to 100,361,763, 150,542,653.38 and 35,668,121.49

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Solution

The fourth proportional to 100,361,763, 150,542,653.38 and 35,668,121.49 is: 53,502,185.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,361,763 : 150,542,653.38 = 35,668,121.49 : x
  2. Step 2: Convert to fraction form
    100,361,763/150,542,653.38 = 35,668,121.49/x
  3. Step 3: Cross multiply
    100,361,763x = 150,542,653.38 × 35,668,121.49
  4. Step 4: Simplify right side
    100,361,763x = 5,369,573,650,184,799
  5. Step 5: Solve for x
    x = 5,369,573,650,184,799/100,361,763
  6. Step 6: Final answer
    x = 53,502,185.39

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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.