Finding the Fourth Proportional to 212,631,396.08, 293,431,524.33 and 114,846,252.08
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Solution
The fourth proportional to 212,631,396.08, 293,431,524.33 and 114,846,252.08 is: 158,487,934.67
Step by Step Solution
- Step 1: Write the proportion equation
212,631,396.08 : 293,431,524.33 = 114,846,252.08 : x - Step 2: Convert to fraction form
212,631,396.08/293,431,524.33 = 114,846,252.08/x - Step 3: Cross multiply
212,631,396.08x = 293,431,524.33 × 114,846,252.08 - Step 4: Simplify right side
212,631,396.08x = 33,699,510,810,075,652 - Step 5: Solve for x
x = 33,699,510,810,075,652/212,631,396.08 - Step 6: Final answer
x = 158,487,934.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.