Finding the Fourth Proportional to 217,169,133.41, 299,691,292.10 and 161,662,774.52
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Solution
The fourth proportional to 217,169,133.41, 299,691,292.10 and 161,662,774.52 is: 223,093,056.64
Step by Step Solution
- Step 1: Write the proportion equation
217,169,133.41 : 299,691,292.10 = 161,662,774.52 : x - Step 2: Convert to fraction form
217,169,133.41/299,691,292.10 = 161,662,774.52/x - Step 3: Cross multiply
217,169,133.41x = 299,691,292.10 × 161,662,774.52 - Step 4: Simplify right side
217,169,133.41x = 48,448,925,780,310,680 - Step 5: Solve for x
x = 48,448,925,780,310,680/217,169,133.41 - Step 6: Final answer
x = 223,093,056.64
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.