Finding the Fourth Proportional to 212,752,965.67, 318,682,534.08 and 134,989,842.03
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Solution
The fourth proportional to 212,752,965.67, 318,682,534.08 and 134,989,842.03 is: 202,201,199.87
Step by Step Solution
- Step 1: Write the proportion equation
212,752,965.67 : 318,682,534.08 = 134,989,842.03 : x - Step 2: Convert to fraction form
212,752,965.67/318,682,534.08 = 134,989,842.03/x - Step 3: Cross multiply
212,752,965.67x = 318,682,534.08 × 134,989,842.03 - Step 4: Simplify right side
212,752,965.67x = 43,018,904,933,638,520 - Step 5: Solve for x
x = 43,018,904,933,638,520/212,752,965.67 - Step 6: Final answer
x = 202,201,199.87
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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.