Finding the Fourth Proportional to 205,646,207.14, 308,458,446.59 and 67,453,611.01
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Solution
The fourth proportional to 205,646,207.14, 308,458,446.59 and 67,453,611.01 is: 101,176,852.99
Step by Step Solution
- Step 1: Write the proportion equation
205,646,207.14 : 308,458,446.59 = 67,453,611.01 : x - Step 2: Convert to fraction form
205,646,207.14/308,458,446.59 = 67,453,611.01/x - Step 3: Cross multiply
205,646,207.14x = 308,458,446.59 × 67,453,611.01 - Step 4: Simplify right side
205,646,207.14x = 20,806,636,067,151,156 - Step 5: Solve for x
x = 20,806,636,067,151,156/205,646,207.14 - Step 6: Final answer
x = 101,176,852.99
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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.