Finding the Fourth Proportional to 197,212,836.42, 272,151,696.42 and 109,107,464.67
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Solution
The fourth proportional to 197,212,836.42, 272,151,696.42 and 109,107,464.67 is: 150,567,184.88
Step by Step Solution
- Step 1: Write the proportion equation
197,212,836.42 : 272,151,696.42 = 109,107,464.67 : x - Step 2: Convert to fraction form
197,212,836.42/272,151,696.42 = 109,107,464.67/x - Step 3: Cross multiply
197,212,836.42x = 272,151,696.42 × 109,107,464.67 - Step 4: Simplify right side
197,212,836.42x = 29,693,781,602,025,716 - Step 5: Solve for x
x = 29,693,781,602,025,716/197,212,836.42 - Step 6: Final answer
x = 150,567,184.88
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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.