Finding the Fourth Proportional to 87,788,204.08, 121,146,100.71 and 48,629,121.61
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Solution
The fourth proportional to 87,788,204.08, 121,146,100.71 and 48,629,121.61 is: 67,107,289.93
Step by Step Solution
- Step 1: Write the proportion equation
87,788,204.08 : 121,146,100.71 = 48,629,121.61 : x - Step 2: Convert to fraction form
87,788,204.08/121,146,100.71 = 48,629,121.61/x - Step 3: Cross multiply
87,788,204.08x = 121,146,100.71 × 48,629,121.61 - Step 4: Simplify right side
87,788,204.08x = 5,891,228,464,003,897 - Step 5: Solve for x
x = 5,891,228,464,003,897/87,788,204.08 - Step 6: Final answer
x = 67,107,289.93
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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.