Finding the Fourth Proportional to 87,253,917.24, 120,415,793 and 48,095,605.68
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Solution
The fourth proportional to 87,253,917.24, 120,415,793 and 48,095,605.68 is: 66,374,905.34
Step by Step Solution
- Step 1: Write the proportion equation
87,253,917.24 : 120,415,793 = 48,095,605.68 : x - Step 2: Convert to fraction form
87,253,917.24/120,415,793 = 48,095,605.68/x - Step 3: Cross multiply
87,253,917.24x = 120,415,793 × 48,095,605.68 - Step 4: Simplify right side
87,253,917.24x = 5,791,470,497,772,504 - Step 5: Solve for x
x = 5,791,470,497,772,504/87,253,917.24 - Step 6: Final answer
x = 66,374,905.34
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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.