Finding the Fourth Proportional to 87,224,418.79, 120,370,493.97 and 48,067,600.48
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Solution
The fourth proportional to 87,224,418.79, 120,370,493.97 and 48,067,600.48 is: 66,333,727.34
Step by Step Solution
- Step 1: Write the proportion equation
87,224,418.79 : 120,370,493.97 = 48,067,600.48 : x - Step 2: Convert to fraction form
87,224,418.79/120,370,493.97 = 48,067,600.48/x - Step 3: Cross multiply
87,224,418.79x = 120,370,493.97 × 48,067,600.48 - Step 4: Simplify right side
87,224,418.79x = 5,785,920,813,730,209 - Step 5: Solve for x
x = 5,785,920,813,730,209/87,224,418.79 - Step 6: Final answer
x = 66,333,727.34
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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.