Finding the Fourth Proportional to 194,872,541.23, 268,924,099.17 and 106,769,876.82
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Solution
The fourth proportional to 194,872,541.23, 268,924,099.17 and 106,769,876.82 is: 147,342,425.77
Step by Step Solution
- Step 1: Write the proportion equation
194,872,541.23 : 268,924,099.17 = 106,769,876.82 : x - Step 2: Convert to fraction form
194,872,541.23/268,924,099.17 = 106,769,876.82/x - Step 3: Cross multiply
194,872,541.23x = 268,924,099.17 × 106,769,876.82 - Step 4: Simplify right side
194,872,541.23x = 28,712,992,940,965,744 - Step 5: Solve for x
x = 28,712,992,940,965,744/194,872,541.23 - Step 6: Final answer
x = 147,342,425.77
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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.