Home / 268,733,805.20-403,100,707.80-214,986,093.20

Finding the Fourth Proportional to 268,733,805.20, 403,100,707.80 and 214,986,093.20

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Solution

The fourth proportional to 268,733,805.20, 403,100,707.80 and 214,986,093.20 is: 322,479,139.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,733,805.20 : 403,100,707.80 = 214,986,093.20 : x
  2. Step 2: Convert to fraction form
    268,733,805.20/403,100,707.80 = 214,986,093.20/x
  3. Step 3: Cross multiply
    268,733,805.20x = 403,100,707.80 × 214,986,093.20
  4. Step 4: Simplify right side
    268,733,805.20x = 86,661,046,336,076,768
  5. Step 5: Solve for x
    x = 86,661,046,336,076,768/268,733,805.20
  6. Step 6: Final answer
    x = 322,479,139.80

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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.