Finding the Fourth Proportional to 135,198,381.44, 202,746,658.78 and 48,915,457.76
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Solution
The fourth proportional to 135,198,381.44, 202,746,658.78 and 48,915,457.76 is: 73,354,765.92
Step by Step Solution
- Step 1: Write the proportion equation
135,198,381.44 : 202,746,658.78 = 48,915,457.76 : x - Step 2: Convert to fraction form
135,198,381.44/202,746,658.78 = 48,915,457.76/x - Step 3: Cross multiply
135,198,381.44x = 202,746,658.78 × 48,915,457.76 - Step 4: Simplify right side
135,198,381.44x = 9,917,445,623,534,222 - Step 5: Solve for x
x = 9,917,445,623,534,222/135,198,381.44 - Step 6: Final answer
x = 73,354,765.92
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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.