Finding the Fourth Proportional to 198,581,436.40, 297,872,154.60 and 53,014,716.40
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Solution
The fourth proportional to 198,581,436.40, 297,872,154.60 and 53,014,716.40 is: 79,522,074.60
Step by Step Solution
- Step 1: Write the proportion equation
198,581,436.40 : 297,872,154.60 = 53,014,716.40 : x - Step 2: Convert to fraction form
198,581,436.40/297,872,154.60 = 53,014,716.40/x - Step 3: Cross multiply
198,581,436.40x = 297,872,154.60 × 53,014,716.40 - Step 4: Simplify right side
198,581,436.40x = 15,791,607,799,575,956 - Step 5: Solve for x
x = 15,791,607,799,575,956/198,581,436.40 - Step 6: Final answer
x = 79,522,074.60
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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.