Finding the Fourth Proportional to 252,676,286.42, 348,686,851.26 and 141,167,964.82
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Solution
The fourth proportional to 252,676,286.42, 348,686,851.26 and 141,167,964.82 is: 194,808,202.42
Step by Step Solution
- Step 1: Write the proportion equation
252,676,286.42 : 348,686,851.26 = 141,167,964.82 : x - Step 2: Convert to fraction form
252,676,286.42/348,686,851.26 = 141,167,964.82/x - Step 3: Cross multiply
252,676,286.42x = 348,686,851.26 × 141,167,964.82 - Step 4: Simplify right side
252,676,286.42x = 49,223,413,151,868,248 - Step 5: Solve for x
x = 49,223,413,151,868,248/252,676,286.42 - Step 6: Final answer
x = 194,808,202.42
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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.