Finding the Fourth Proportional to 204,601,251.40, 306,901,877.10 and 122,971,913.80
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Solution
The fourth proportional to 204,601,251.40, 306,901,877.10 and 122,971,913.80 is: 184,457,870.70
Step by Step Solution
- Step 1: Write the proportion equation
204,601,251.40 : 306,901,877.10 = 122,971,913.80 : x - Step 2: Convert to fraction form
204,601,251.40/306,901,877.10 = 122,971,913.80/x - Step 3: Cross multiply
204,601,251.40x = 306,901,877.10 × 122,971,913.80 - Step 4: Simplify right side
204,601,251.40x = 37,740,311,175,799,392 - Step 5: Solve for x
x = 37,740,311,175,799,392/204,601,251.40 - Step 6: Final answer
x = 184,457,870.70
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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.