Finding the Fourth Proportional to 134,136,415.40, 201,204,623.10 and 90,770,829.80
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Solution
The fourth proportional to 134,136,415.40, 201,204,623.10 and 90,770,829.80 is: 136,156,244.70
Step by Step Solution
- Step 1: Write the proportion equation
134,136,415.40 : 201,204,623.10 = 90,770,829.80 : x - Step 2: Convert to fraction form
134,136,415.40/201,204,623.10 = 90,770,829.80/x - Step 3: Cross multiply
134,136,415.40x = 201,204,623.10 × 90,770,829.80 - Step 4: Simplify right side
134,136,415.40x = 18,263,510,598,383,248 - Step 5: Solve for x
x = 18,263,510,598,383,248/134,136,415.40 - Step 6: Final answer
x = 136,156,244.70
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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.