Finding the Fourth Proportional to 269,136,494.48, 371,408,511.68 and 145,377,172.28
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Solution
The fourth proportional to 269,136,494.48, 371,408,511.68 and 145,377,172.28 is: 200,620,578.39
Step by Step Solution
- Step 1: Write the proportion equation
269,136,494.48 : 371,408,511.68 = 145,377,172.28 : x - Step 2: Convert to fraction form
269,136,494.48/371,408,511.68 = 145,377,172.28/x - Step 3: Cross multiply
269,136,494.48x = 371,408,511.68 × 145,377,172.28 - Step 4: Simplify right side
269,136,494.48x = 53,994,319,188,761,752 - Step 5: Solve for x
x = 53,994,319,188,761,752/269,136,494.48 - Step 6: Final answer
x = 200,620,578.39
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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.