Finding the Fourth Proportional to 267,318,962.93, 368,977,052.58 and 161,455,562.81
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Solution
The fourth proportional to 267,318,962.93, 368,977,052.58 and 161,455,562.81 is: 222,855,112.99
Step by Step Solution
- Step 1: Write the proportion equation
267,318,962.93 : 368,977,052.58 = 161,455,562.81 : x - Step 2: Convert to fraction form
267,318,962.93/368,977,052.58 = 161,455,562.81/x - Step 3: Cross multiply
267,318,962.93x = 368,977,052.58 × 161,455,562.81 - Step 4: Simplify right side
267,318,962.93x = 59,573,397,688,278,864 - Step 5: Solve for x
x = 59,573,397,688,278,864/267,318,962.93 - Step 6: Final answer
x = 222,855,112.99
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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.