Finding the Fourth Proportional to 81,576,185.26, 122,363,733.57 and 33,053,323.18
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Solution
The fourth proportional to 81,576,185.26, 122,363,733.57 and 33,053,323.18 is: 49,579,764.22
Step by Step Solution
- Step 1: Write the proportion equation
81,576,185.26 : 122,363,733.57 = 33,053,323.18 : x - Step 2: Convert to fraction form
81,576,185.26/122,363,733.57 = 33,053,323.18/x - Step 3: Cross multiply
81,576,185.26x = 122,363,733.57 × 33,053,323.18 - Step 4: Simplify right side
81,576,185.26x = 4,044,528,031,200,625 - Step 5: Solve for x
x = 4,044,528,031,200,625/81,576,185.26 - Step 6: Final answer
x = 49,579,764.22
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.