Finding the Fourth Proportional to 49,752,827.12, 68,655,885.20 and 27,424,836.64
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Solution
The fourth proportional to 49,752,827.12, 68,655,885.20 and 27,424,836.64 is: 37,844,611.95
Step by Step Solution
- Step 1: Write the proportion equation
49,752,827.12 : 68,655,885.20 = 27,424,836.64 : x - Step 2: Convert to fraction form
49,752,827.12/68,655,885.20 = 27,424,836.64/x - Step 3: Cross multiply
49,752,827.12x = 68,655,885.20 × 27,424,836.64 - Step 4: Simplify right side
49,752,827.12x = 1,882,876,435,984,593.75 - Step 5: Solve for x
x = 1,882,876,435,984,593.75/49,752,827.12 - Step 6: Final answer
x = 37,844,611.95
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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.