Finding the Fourth Proportional to 269,136,628.84, 371,408,697.30 and 145,377,307
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Solution
The fourth proportional to 269,136,628.84, 371,408,697.30 and 145,377,307 is: 200,620,764.41
Step by Step Solution
- Step 1: Write the proportion equation
269,136,628.84 : 371,408,697.30 = 145,377,307 : x - Step 2: Convert to fraction form
269,136,628.84/371,408,697.30 = 145,377,307/x - Step 3: Cross multiply
269,136,628.84x = 371,408,697.30 × 145,377,307 - Step 4: Simplify right side
269,136,628.84x = 53,994,396,209,852,176 - Step 5: Solve for x
x = 53,994,396,209,852,176/269,136,628.84 - Step 6: Final answer
x = 200,620,764.41
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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.