Finding the Fourth Proportional to 201,440,054.23, 277,315,745.91 and 192,185,009.21
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Solution
The fourth proportional to 201,440,054.23, 277,315,745.91 and 192,185,009.21 is: 264,574,636.78
Step by Step Solution
- Step 1: Write the proportion equation
201,440,054.23 : 277,315,745.91 = 192,185,009.21 : x - Step 2: Convert to fraction form
201,440,054.23/277,315,745.91 = 192,185,009.21/x - Step 3: Cross multiply
201,440,054.23x = 277,315,745.91 × 192,185,009.21 - Step 4: Simplify right side
201,440,054.23x = 53,295,929,181,791,376 - Step 5: Solve for x
x = 53,295,929,181,791,376/201,440,054.23 - Step 6: Final answer
x = 264,574,636.78
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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.