Finding the Fourth Proportional to 91,431,425,166.16, 137,148,516,963.53 and 31,741,983,508.99
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Solution
The fourth proportional to 91,431,425,166.16, 137,148,516,963.53 and 31,741,983,508.99 is: 47,613,454,081.33
Step by Step Solution
- Step 1: Write the proportion equation
91,431,425,166.16 : 137,148,516,963.53 = 31,741,983,508.99 : x - Step 2: Convert to fraction form
91,431,425,166.16/137,148,516,963.53 = 31,741,983,508.99/x - Step 3: Cross multiply
91,431,425,166.16x = 137,148,516,963.53 × 31,741,983,508.99 - Step 4: Simplify right side
91,431,425,166.16x = 4,353,365,963,739,079,114,752 - Step 5: Solve for x
x = 4,353,365,963,739,079,114,752/91,431,425,166.16 - Step 6: Final answer
x = 47,613,454,081.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.