Finding the Fourth Proportional to 69,790,614.53, 104,689,858.39 and 21,270,051.23
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Solution
The fourth proportional to 69,790,614.53, 104,689,858.39 and 21,270,051.23 is: 31,906,276.59
Step by Step Solution
- Step 1: Write the proportion equation
69,790,614.53 : 104,689,858.39 = 21,270,051.23 : x - Step 2: Convert to fraction form
69,790,614.53/104,689,858.39 = 21,270,051.23/x - Step 3: Cross multiply
69,790,614.53x = 104,689,858.39 × 21,270,051.23 - Step 4: Simplify right side
69,790,614.53x = 2,226,758,650,640,121 - Step 5: Solve for x
x = 2,226,758,650,640,121/69,790,614.53 - Step 6: Final answer
x = 31,906,276.59
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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.