Finding the Fourth Proportional to 79,906,799.80, 119,860,199.70 and 36,860,078.80
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Solution
The fourth proportional to 79,906,799.80, 119,860,199.70 and 36,860,078.80 is: 55,290,118.20
Step by Step Solution
- Step 1: Write the proportion equation
79,906,799.80 : 119,860,199.70 = 36,860,078.80 : x - Step 2: Convert to fraction form
79,906,799.80/119,860,199.70 = 36,860,078.80/x - Step 3: Cross multiply
79,906,799.80x = 119,860,199.70 × 36,860,078.80 - Step 4: Simplify right side
79,906,799.80x = 4,418,056,405,925,736 - Step 5: Solve for x
x = 4,418,056,405,925,736/79,906,799.80 - Step 6: Final answer
x = 55,290,118.20
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.