Finding the Fourth Proportional to 269,136,612.09, 371,408,674.14 and 145,377,290.43
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Solution
The fourth proportional to 269,136,612.09, 371,408,674.14 and 145,377,290.43 is: 200,620,741.52
Step by Step Solution
- Step 1: Write the proportion equation
269,136,612.09 : 371,408,674.14 = 145,377,290.43 : x - Step 2: Convert to fraction form
269,136,612.09/371,408,674.14 = 145,377,290.43/x - Step 3: Cross multiply
269,136,612.09x = 371,408,674.14 × 145,377,290.43 - Step 4: Simplify right side
269,136,612.09x = 53,994,386,689,519,632 - Step 5: Solve for x
x = 53,994,386,689,519,632/269,136,612.09 - Step 6: Final answer
x = 200,620,741.52
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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.