Finding the Fourth Proportional to 212,486,950.74, 293,224,250.46 and 118,396,236.12
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Solution
The fourth proportional to 212,486,950.74, 293,224,250.46 and 118,396,236.12 is: 163,382,492.30
Step by Step Solution
- Step 1: Write the proportion equation
212,486,950.74 : 293,224,250.46 = 118,396,236.12 : x - Step 2: Convert to fraction form
212,486,950.74/293,224,250.46 = 118,396,236.12/x - Step 3: Cross multiply
212,486,950.74x = 293,224,250.46 × 118,396,236.12 - Step 4: Simplify right side
212,486,950.74x = 34,716,647,593,572,176 - Step 5: Solve for x
x = 34,716,647,593,572,176/212,486,950.74 - Step 6: Final answer
x = 163,382,492.30
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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.