Finding the Fourth Proportional to 82,746,487.98, 114,190,147.99 and 47,959,356.58
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Solution
The fourth proportional to 82,746,487.98, 114,190,147.99 and 47,959,356.58 is: 66,183,908.94
Step by Step Solution
- Step 1: Write the proportion equation
82,746,487.98 : 114,190,147.99 = 47,959,356.58 : x - Step 2: Convert to fraction form
82,746,487.98/114,190,147.99 = 47,959,356.58/x - Step 3: Cross multiply
82,746,487.98x = 114,190,147.99 × 47,959,356.58 - Step 4: Simplify right side
82,746,487.98x = 5,476,486,025,375,380 - Step 5: Solve for x
x = 5,476,486,025,375,380/82,746,487.98 - Step 6: Final answer
x = 66,183,908.94
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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.