Finding the Fourth Proportional to 252,721,736.42, 348,769,468.20 and 141,215,284.03
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Solution
The fourth proportional to 252,721,736.42, 348,769,468.20 and 141,215,284.03 is: 194,884,619.78
Step by Step Solution
- Step 1: Write the proportion equation
252,721,736.42 : 348,769,468.20 = 141,215,284.03 : x - Step 2: Convert to fraction form
252,721,736.42/348,769,468.20 = 141,215,284.03/x - Step 3: Cross multiply
252,721,736.42x = 348,769,468.20 × 141,215,284.03 - Step 4: Simplify right side
252,721,736.42x = 49,251,579,512,855,048 - Step 5: Solve for x
x = 49,251,579,512,855,048/252,721,736.42 - Step 6: Final answer
x = 194,884,619.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.