Home / 248,839,896.80-373,259,845.20-208,529,112.80

Finding the Fourth Proportional to 248,839,896.80, 373,259,845.20 and 208,529,112.80

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Solution

The fourth proportional to 248,839,896.80, 373,259,845.20 and 208,529,112.80 is: 312,793,669.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,839,896.80 : 373,259,845.20 = 208,529,112.80 : x
  2. Step 2: Convert to fraction form
    248,839,896.80/373,259,845.20 = 208,529,112.80/x
  3. Step 3: Cross multiply
    248,839,896.80x = 373,259,845.20 × 208,529,112.80
  4. Step 4: Simplify right side
    248,839,896.80x = 77,835,544,363,421,344
  5. Step 5: Solve for x
    x = 77,835,544,363,421,344/248,839,896.80
  6. Step 6: Final answer
    x = 312,793,669.20

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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.