Finding the Fourth Proportional to 87,224,415.80, 120,370,489.84 and 48,067,597.48
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Solution
The fourth proportional to 87,224,415.80, 120,370,489.84 and 48,067,597.48 is: 66,333,723.20
Step by Step Solution
- Step 1: Write the proportion equation
87,224,415.80 : 120,370,489.84 = 48,067,597.48 : x - Step 2: Convert to fraction form
87,224,415.80/120,370,489.84 = 48,067,597.48/x - Step 3: Cross multiply
87,224,415.80x = 120,370,489.84 × 48,067,597.48 - Step 4: Simplify right side
87,224,415.80x = 5,785,920,254,099,549 - Step 5: Solve for x
x = 5,785,920,254,099,549/87,224,415.80 - Step 6: Final answer
x = 66,333,723.20
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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.