Finding the Fourth Proportional to 88,311,583.19, 121,867,757.37 and 48,618,717.66
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Solution
The fourth proportional to 88,311,583.19, 121,867,757.37 and 48,618,717.66 is: 67,092,604.09
Step by Step Solution
- Step 1: Write the proportion equation
88,311,583.19 : 121,867,757.37 = 48,618,717.66 : x - Step 2: Convert to fraction form
88,311,583.19/121,867,757.37 = 48,618,717.66/x - Step 3: Cross multiply
88,311,583.19x = 121,867,757.37 × 48,618,717.66 - Step 4: Simplify right side
88,311,583.19x = 5,925,054,087,429,414 - Step 5: Solve for x
x = 5,925,054,087,429,414/88,311,583.19 - Step 6: Final answer
x = 67,092,604.09
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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.