Finding the Fourth Proportional to 123,876,528.04, 170,959,184.58 and 74,318,758.12
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Solution
The fourth proportional to 123,876,528.04, 170,959,184.58 and 74,318,758.12 is: 102,565,631.18
Step by Step Solution
- Step 1: Write the proportion equation
123,876,528.04 : 170,959,184.58 = 74,318,758.12 : x - Step 2: Convert to fraction form
123,876,528.04/170,959,184.58 = 74,318,758.12/x - Step 3: Cross multiply
123,876,528.04x = 170,959,184.58 × 74,318,758.12 - Step 4: Simplify right side
123,876,528.04x = 12,705,474,287,193,456 - Step 5: Solve for x
x = 12,705,474,287,193,456/123,876,528.04 - Step 6: Final answer
x = 102,565,631.18
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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.