Finding the Fourth Proportional to 82,746,485.48, 114,190,144.54 and 47,959,354.08
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Solution
The fourth proportional to 82,746,485.48, 114,190,144.54 and 47,959,354.08 is: 66,183,905.49
Step by Step Solution
- Step 1: Write the proportion equation
82,746,485.48 : 114,190,144.54 = 47,959,354.08 : x - Step 2: Convert to fraction form
82,746,485.48/114,190,144.54 = 47,959,354.08/x - Step 3: Cross multiply
82,746,485.48x = 114,190,144.54 × 47,959,354.08 - Step 4: Simplify right side
82,746,485.48x = 5,476,485,574,320,340 - Step 5: Solve for x
x = 5,476,485,574,320,340/82,746,485.48 - Step 6: Final answer
x = 66,183,905.49
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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.