Finding the Fourth Proportional to 213,240,275.12, 319,860,412.68 and 51,682,211.12
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Solution
The fourth proportional to 213,240,275.12, 319,860,412.68 and 51,682,211.12 is: 77,523,316.68
Step by Step Solution
- Step 1: Write the proportion equation
213,240,275.12 : 319,860,412.68 = 51,682,211.12 : x - Step 2: Convert to fraction form
213,240,275.12/319,860,412.68 = 51,682,211.12/x - Step 3: Cross multiply
213,240,275.12x = 319,860,412.68 × 51,682,211.12 - Step 4: Simplify right side
213,240,275.12x = 16,531,093,377,058,084 - Step 5: Solve for x
x = 16,531,093,377,058,084/213,240,275.12 - Step 6: Final answer
x = 77,523,316.68
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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.