Finding the Fourth Proportional to 199,771,485.20, 299,677,186.20 and 54,207,357.20
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Solution
The fourth proportional to 199,771,485.20, 299,677,186.20 and 54,207,357.20 is: 81,316,451.45
Step by Step Solution
- Step 1: Write the proportion equation
199,771,485.20 : 299,677,186.20 = 54,207,357.20 : x - Step 2: Convert to fraction form
199,771,485.20/299,677,186.20 = 54,207,357.20/x - Step 3: Cross multiply
199,771,485.20x = 299,677,186.20 × 54,207,357.20 - Step 4: Simplify right side
199,771,485.20x = 16,244,708,277,034,310 - Step 5: Solve for x
x = 16,244,708,277,034,310/199,771,485.20 - Step 6: Final answer
x = 81,316,451.45
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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.