Finding the Fourth Proportional to 88,311,583.44, 121,867,757.72 and 48,618,717.91
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Solution
The fourth proportional to 88,311,583.44, 121,867,757.72 and 48,618,717.91 is: 67,092,604.44
Step by Step Solution
- Step 1: Write the proportion equation
88,311,583.44 : 121,867,757.72 = 48,618,717.91 : x - Step 2: Convert to fraction form
88,311,583.44/121,867,757.72 = 48,618,717.91/x - Step 3: Cross multiply
88,311,583.44x = 121,867,757.72 × 48,618,717.91 - Step 4: Simplify right side
88,311,583.44x = 5,925,054,134,912,904 - Step 5: Solve for x
x = 5,925,054,134,912,904/88,311,583.44 - Step 6: Final answer
x = 67,092,604.44
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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.