Finding the Fourth Proportional to 218,110,937.80, 326,888,544.30 and 115,923,929.80
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Solution
The fourth proportional to 218,110,937.80, 326,888,544.30 and 115,923,929.80 is: 173,738,213.43
Step by Step Solution
- Step 1: Write the proportion equation
218,110,937.80 : 326,888,544.30 = 115,923,929.80 : x - Step 2: Convert to fraction form
218,110,937.80/326,888,544.30 = 115,923,929.80/x - Step 3: Cross multiply
218,110,937.80x = 326,888,544.30 × 115,923,929.80 - Step 4: Simplify right side
218,110,937.80x = 37,894,204,661,857,392 - Step 5: Solve for x
x = 37,894,204,661,857,392/218,110,937.80 - Step 6: Final answer
x = 173,738,213.43
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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.