Finding the Fourth Proportional to 80,998,539.80, 121,497,809.70 and 24,264,843.80
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Solution
The fourth proportional to 80,998,539.80, 121,497,809.70 and 24,264,843.80 is: 36,397,265.70
Step by Step Solution
- Step 1: Write the proportion equation
80,998,539.80 : 121,497,809.70 = 24,264,843.80 : x - Step 2: Convert to fraction form
80,998,539.80/121,497,809.70 = 24,264,843.80/x - Step 3: Cross multiply
80,998,539.80x = 121,497,809.70 × 24,264,843.80 - Step 4: Simplify right side
80,998,539.80x = 2,948,125,374,412,625 - Step 5: Solve for x
x = 2,948,125,374,412,625/80,998,539.80 - Step 6: Final answer
x = 36,397,265.70
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1.5x scale
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.