Finding the Fourth Proportional to 133,543,130.26, 200,318,631.99 and 113,989,068.49
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Solution
The fourth proportional to 133,543,130.26, 200,318,631.99 and 113,989,068.49 is: 170,986,962.91
Step by Step Solution
- Step 1: Write the proportion equation
133,543,130.26 : 200,318,631.99 = 113,989,068.49 : x - Step 2: Convert to fraction form
133,543,130.26/200,318,631.99 = 113,989,068.49/x - Step 3: Cross multiply
133,543,130.26x = 200,318,631.99 × 113,989,068.49 - Step 4: Simplify right side
133,543,130.26x = 22,834,134,260,159,680 - Step 5: Solve for x
x = 22,834,134,260,159,680/133,543,130.26 - Step 6: Final answer
x = 170,986,962.91
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.