Finding the Fourth Proportional to 367,416,019.20, 551,124,028.80 and 149,170,915.20
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Solution
The fourth proportional to 367,416,019.20, 551,124,028.80 and 149,170,915.20 is: 223,756,372.80
Step by Step Solution
- Step 1: Write the proportion equation
367,416,019.20 : 551,124,028.80 = 149,170,915.20 : x - Step 2: Convert to fraction form
367,416,019.20/551,124,028.80 = 149,170,915.20/x - Step 3: Cross multiply
367,416,019.20x = 551,124,028.80 × 149,170,915.20 - Step 4: Simplify right side
367,416,019.20x = 82,211,675,764,807,152 - Step 5: Solve for x
x = 82,211,675,764,807,152/367,416,019.20 - Step 6: Final answer
x = 223,756,372.80
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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.