Finding the Fourth Proportional to 82,777,133.36, 114,235,968.12 and 46,107,720.56
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Solution
The fourth proportional to 82,777,133.36, 114,235,968.12 and 46,107,720.56 is: 63,630,617.32
Step by Step Solution
- Step 1: Write the proportion equation
82,777,133.36 : 114,235,968.12 = 46,107,720.56 : x - Step 2: Convert to fraction form
82,777,133.36/114,235,968.12 = 46,107,720.56/x - Step 3: Cross multiply
82,777,133.36x = 114,235,968.12 × 46,107,720.56 - Step 4: Simplify right side
82,777,133.36x = 5,267,160,095,978,029 - Step 5: Solve for x
x = 5,267,160,095,978,029/82,777,133.36 - Step 6: Final answer
x = 63,630,617.32
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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.