Finding the Fourth Proportional to 75,504,902.76, 113,185,597.68 and 48,134,378.52
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Solution
The fourth proportional to 75,504,902.76, 113,185,597.68 and 48,134,378.52 is: 72,155,823.03
Step by Step Solution
- Step 1: Write the proportion equation
75,504,902.76 : 113,185,597.68 = 48,134,378.52 : x - Step 2: Convert to fraction form
75,504,902.76/113,185,597.68 = 48,134,378.52/x - Step 3: Cross multiply
75,504,902.76x = 113,185,597.68 × 48,134,378.52 - Step 4: Simplify right side
75,504,902.76x = 5,448,118,401,741,555 - Step 5: Solve for x
x = 5,448,118,401,741,555/75,504,902.76 - Step 6: Final answer
x = 72,155,823.03
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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.