Finding the Fourth Proportional to 199,771,245.20, 299,676,826.20 and 54,207,117.20
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Solution
The fourth proportional to 199,771,245.20, 299,676,826.20 and 54,207,117.20 is: 81,316,091.43
Step by Step Solution
- Step 1: Write the proportion equation
199,771,245.20 : 299,676,826.20 = 54,207,117.20 : x - Step 2: Convert to fraction form
199,771,245.20/299,676,826.20 = 54,207,117.20/x - Step 3: Cross multiply
199,771,245.20x = 299,676,826.20 × 54,207,117.20 - Step 4: Simplify right side
199,771,245.20x = 16,244,616,839,947,430 - Step 5: Solve for x
x = 16,244,616,839,947,430/199,771,245.20 - Step 6: Final answer
x = 81,316,091.43
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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.