Finding the Fourth Proportional to 136,513,115.20, 204,769,672.80 and 132,733,979.20
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Solution
The fourth proportional to 136,513,115.20, 204,769,672.80 and 132,733,979.20 is: 199,100,968.80
Step by Step Solution
- Step 1: Write the proportion equation
136,513,115.20 : 204,769,672.80 = 132,733,979.20 : x - Step 2: Convert to fraction form
136,513,115.20/204,769,672.80 = 132,733,979.20/x - Step 3: Cross multiply
136,513,115.20x = 204,769,672.80 × 132,733,979.20 - Step 4: Simplify right side
136,513,115.20x = 27,179,893,490,226,008 - Step 5: Solve for x
x = 27,179,893,490,226,008/136,513,115.20 - Step 6: Final answer
x = 199,100,968.80
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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.