Home / 255,364,396.47-381,647,418.02-186,422,376.22

Finding the Fourth Proportional to 255,364,396.47, 381,647,418.02 and 186,422,376.22

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Solution

The fourth proportional to 255,364,396.47, 381,647,418.02 and 186,422,376.22 is: 278,612,130.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,364,396.47 : 381,647,418.02 = 186,422,376.22 : x
  2. Step 2: Convert to fraction form
    255,364,396.47/381,647,418.02 = 186,422,376.22/x
  3. Step 3: Cross multiply
    255,364,396.47x = 381,647,418.02 × 186,422,376.22
  4. Step 4: Simplify right side
    255,364,396.47x = 71,147,618,544,328,904
  5. Step 5: Solve for x
    x = 71,147,618,544,328,904/255,364,396.47
  6. Step 6: Final answer
    x = 278,612,130.46

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.