Finding the Fourth Proportional to 194,511,358.97, 268,424,872.87 and 105,203,402.81
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Solution
The fourth proportional to 194,511,358.97, 268,424,872.87 and 105,203,402.81 is: 145,180,261.83
Step by Step Solution
- Step 1: Write the proportion equation
194,511,358.97 : 268,424,872.87 = 105,203,402.81 : x - Step 2: Convert to fraction form
194,511,358.97/268,424,872.87 = 105,203,402.81/x - Step 3: Cross multiply
194,511,358.97x = 268,424,872.87 × 105,203,402.81 - Step 4: Simplify right side
194,511,358.97x = 28,239,210,023,423,528 - Step 5: Solve for x
x = 28,239,210,023,423,528/194,511,358.97 - Step 6: Final answer
x = 145,180,261.83
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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.