Finding the Fourth Proportional to 82,746,239.99, 114,189,805.82 and 47,959,108.63
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Solution
The fourth proportional to 82,746,239.99, 114,189,805.82 and 47,959,108.63 is: 66,183,566.80
Step by Step Solution
- Step 1: Write the proportion equation
82,746,239.99 : 114,189,805.82 = 47,959,108.63 : x - Step 2: Convert to fraction form
82,746,239.99/114,189,805.82 = 47,959,108.63/x - Step 3: Cross multiply
82,746,239.99x = 114,189,805.82 × 47,959,108.63 - Step 4: Simplify right side
82,746,239.99x = 5,476,441,301,594,409 - Step 5: Solve for x
x = 5,476,441,301,594,409/82,746,239.99 - Step 6: Final answer
x = 66,183,566.80
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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.