Finding the Fourth Proportional to 52,565,260.80, 78,847,891.20 and 22,269,187.20
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Solution
The fourth proportional to 52,565,260.80, 78,847,891.20 and 22,269,187.20 is: 33,403,780.80
Step by Step Solution
- Step 1: Write the proportion equation
52,565,260.80 : 78,847,891.20 = 22,269,187.20 : x - Step 2: Convert to fraction form
52,565,260.80/78,847,891.20 = 22,269,187.20/x - Step 3: Cross multiply
52,565,260.80x = 78,847,891.20 × 22,269,187.20 - Step 4: Simplify right side
52,565,260.80x = 1,755,878,449,458,032.75 - Step 5: Solve for x
x = 1,755,878,449,458,032.75/52,565,260.80 - Step 6: Final answer
x = 33,403,780.80
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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.