Finding the Fourth Proportional to 258,922,614.18, 357,318,474.90 and 141,455,552.75
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Solution
The fourth proportional to 258,922,614.18, 357,318,474.90 and 141,455,552.75 is: 195,211,540.46
Step by Step Solution
- Step 1: Write the proportion equation
258,922,614.18 : 357,318,474.90 = 141,455,552.75 : x - Step 2: Convert to fraction form
258,922,614.18/357,318,474.90 = 141,455,552.75/x - Step 3: Cross multiply
258,922,614.18x = 357,318,474.90 × 141,455,552.75 - Step 4: Simplify right side
258,922,614.18x = 50,544,682,373,790,816 - Step 5: Solve for x
x = 50,544,682,373,790,816/258,922,614.18 - Step 6: Final answer
x = 195,211,540.46
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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.