Finding the Fourth Proportional to 73,351,515.70, 109,788,125.10 and 73,351,515.70
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Solution
The fourth proportional to 73,351,515.70, 109,788,125.10 and 73,351,515.70 is: 109,788,125.10
Step by Step Solution
- Step 1: Write the proportion equation
73,351,515.70 : 109,788,125.10 = 73,351,515.70 : x - Step 2: Convert to fraction form
73,351,515.70/109,788,125.10 = 73,351,515.70/x - Step 3: Cross multiply
73,351,515.70x = 109,788,125.10 × 73,351,515.70 - Step 4: Simplify right side
73,351,515.70x = 8,053,125,381,946,214 - Step 5: Solve for x
x = 8,053,125,381,946,214/73,351,515.70 - Step 6: Final answer
x = 109,788,125.10
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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.