Finding the Fourth Proportional to 222,352,577.92, 306,667,639.12 and 195,472,434.68
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Solution
The fourth proportional to 222,352,577.92, 306,667,639.12 and 195,472,434.68 is: 269,594,670.85
Step by Step Solution
- Step 1: Write the proportion equation
222,352,577.92 : 306,667,639.12 = 195,472,434.68 : x - Step 2: Convert to fraction form
222,352,577.92/306,667,639.12 = 195,472,434.68/x - Step 3: Cross multiply
222,352,577.92x = 306,667,639.12 × 195,472,434.68 - Step 4: Simplify right side
222,352,577.92x = 59,945,070,056,354,016 - Step 5: Solve for x
x = 59,945,070,056,354,016/222,352,577.92 - Step 6: Final answer
x = 269,594,670.85
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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.