Finding the Fourth Proportional to 269,136,645.63, 371,408,720.41 and 145,377,323.97
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Solution
The fourth proportional to 269,136,645.63, 371,408,720.41 and 145,377,323.97 is: 200,620,787.80
Step by Step Solution
- Step 1: Write the proportion equation
269,136,645.63 : 371,408,720.41 = 145,377,323.97 : x - Step 2: Convert to fraction form
269,136,645.63/371,408,720.41 = 145,377,323.97/x - Step 3: Cross multiply
269,136,645.63x = 371,408,720.41 × 145,377,323.97 - Step 4: Simplify right side
269,136,645.63x = 53,994,405,872,327,728 - Step 5: Solve for x
x = 53,994,405,872,327,728/269,136,645.63 - Step 6: Final answer
x = 200,620,787.80
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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.