Finding the Fourth Proportional to 214,017,473.27, 295,362,327.62 and 121,214,490.23
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Solution
The fourth proportional to 214,017,473.27, 295,362,327.62 and 121,214,490.23 is: 167,286,312.79
Step by Step Solution
- Step 1: Write the proportion equation
214,017,473.27 : 295,362,327.62 = 121,214,490.23 : x - Step 2: Convert to fraction form
214,017,473.27/295,362,327.62 = 121,214,490.23/x - Step 3: Cross multiply
214,017,473.27x = 295,362,327.62 × 121,214,490.23 - Step 4: Simplify right side
214,017,473.27x = 35,802,193,974,998,480 - Step 5: Solve for x
x = 35,802,193,974,998,480/214,017,473.27 - Step 6: Final answer
x = 167,286,312.79
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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.