Finding the Fourth Proportional to 212,752,965.43, 318,682,533.73 and 134,989,841.80
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Solution
The fourth proportional to 212,752,965.43, 318,682,533.73 and 134,989,841.80 is: 202,201,199.52
Step by Step Solution
- Step 1: Write the proportion equation
212,752,965.43 : 318,682,533.73 = 134,989,841.80 : x - Step 2: Convert to fraction form
212,752,965.43/318,682,533.73 = 134,989,841.80/x - Step 3: Cross multiply
212,752,965.43x = 318,682,533.73 × 134,989,841.80 - Step 4: Simplify right side
212,752,965.43x = 43,018,904,811,164,216 - Step 5: Solve for x
x = 43,018,904,811,164,216/212,752,965.43 - Step 6: Final answer
x = 202,201,199.52
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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.