Home / 248,286,223.26-342,634,990.14-138,277,936.26

Finding the Fourth Proportional to 248,286,223.26, 342,634,990.14 and 138,277,936.26

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Solution

The fourth proportional to 248,286,223.26, 342,634,990.14 and 138,277,936.26 is: 190,823,553.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,286,223.26 : 342,634,990.14 = 138,277,936.26 : x
  2. Step 2: Convert to fraction form
    248,286,223.26/342,634,990.14 = 138,277,936.26/x
  3. Step 3: Cross multiply
    248,286,223.26x = 342,634,990.14 × 138,277,936.26
  4. Step 4: Simplify right side
    248,286,223.26x = 47,378,859,327,024,640
  5. Step 5: Solve for x
    x = 47,378,859,327,024,640/248,286,223.26
  6. Step 6: Final answer
    x = 190,823,553.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.