Finding the Fourth Proportional to 212,219,189.19, 318,328,783.79 and 58,865,245.61
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Solution
The fourth proportional to 212,219,189.19, 318,328,783.79 and 58,865,245.61 is: 88,297,868.41
Step by Step Solution
- Step 1: Write the proportion equation
212,219,189.19 : 318,328,783.79 = 58,865,245.61 : x - Step 2: Convert to fraction form
212,219,189.19/318,328,783.79 = 58,865,245.61/x - Step 3: Cross multiply
212,219,189.19x = 318,328,783.79 × 58,865,245.61 - Step 4: Simplify right side
212,219,189.19x = 18,738,502,040,644,968 - Step 5: Solve for x
x = 18,738,502,040,644,968/212,219,189.19 - Step 6: Final answer
x = 88,297,868.41
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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.