Finding the Fourth Proportional to 260,969,103.01, 391,444,788.79 and 66,882,423.97
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Solution
The fourth proportional to 260,969,103.01, 391,444,788.79 and 66,882,423.97 is: 100,321,363.80
Step by Step Solution
- Step 1: Write the proportion equation
260,969,103.01 : 391,444,788.79 = 66,882,423.97 : x - Step 2: Convert to fraction form
260,969,103.01/391,444,788.79 = 66,882,423.97/x - Step 3: Cross multiply
260,969,103.01x = 391,444,788.79 × 66,882,423.97 - Step 4: Simplify right side
260,969,103.01x = 26,180,776,324,699,884 - Step 5: Solve for x
x = 26,180,776,324,699,884/260,969,103.01 - Step 6: Final answer
x = 100,321,363.80
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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.