Finding the Fourth Proportional to 170,675,892.62, 235,533,351.84 and 92,359,437.56
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Solution
The fourth proportional to 170,675,892.62, 235,533,351.84 and 92,359,437.56 is: 127,456,359.35
Step by Step Solution
- Step 1: Write the proportion equation
170,675,892.62 : 235,533,351.84 = 92,359,437.56 : x - Step 2: Convert to fraction form
170,675,892.62/235,533,351.84 = 92,359,437.56/x - Step 3: Cross multiply
170,675,892.62x = 235,533,351.84 × 92,359,437.56 - Step 4: Simplify right side
170,675,892.62x = 21,753,727,902,563,992 - Step 5: Solve for x
x = 21,753,727,902,563,992/170,675,892.62 - Step 6: Final answer
x = 127,456,359.35
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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.