Finding the Fourth Proportional to 151,840,615.23, 209,540,251.09 and 82,226,116.17
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Solution
The fourth proportional to 151,840,615.23, 209,540,251.09 and 82,226,116.17 is: 113,472,149.74
Step by Step Solution
- Step 1: Write the proportion equation
151,840,615.23 : 209,540,251.09 = 82,226,116.17 : x - Step 2: Convert to fraction form
151,840,615.23/209,540,251.09 = 82,226,116.17/x - Step 3: Cross multiply
151,840,615.23x = 209,540,251.09 × 82,226,116.17 - Step 4: Simplify right side
151,840,615.23x = 17,229,681,028,520,092 - Step 5: Solve for x
x = 17,229,681,028,520,092/151,840,615.23 - Step 6: Final answer
x = 113,472,149.74
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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.