Finding the Fourth Proportional to 215,275,572.68, 323,038,685.84 and 90,770,391.96
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Solution
The fourth proportional to 215,275,572.68, 323,038,685.84 and 90,770,391.96 is: 136,208,431.67
Step by Step Solution
- Step 1: Write the proportion equation
215,275,572.68 : 323,038,685.84 = 90,770,391.96 : x - Step 2: Convert to fraction form
215,275,572.68/323,038,685.84 = 90,770,391.96/x - Step 3: Cross multiply
215,275,572.68x = 323,038,685.84 × 90,770,391.96 - Step 4: Simplify right side
215,275,572.68x = 29,322,348,131,940,096 - Step 5: Solve for x
x = 29,322,348,131,940,096/215,275,572.68 - Step 6: Final answer
x = 136,208,431.67
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.