Finding the Fourth Proportional to 68,893,599.25, 103,324,073.86 and 19,707,936.04
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Solution
The fourth proportional to 68,893,599.25, 103,324,073.86 and 19,707,936.04 is: 29,557,234.07
Step by Step Solution
- Step 1: Write the proportion equation
68,893,599.25 : 103,324,073.86 = 19,707,936.04 : x - Step 2: Convert to fraction form
68,893,599.25/103,324,073.86 = 19,707,936.04/x - Step 3: Cross multiply
68,893,599.25x = 103,324,073.86 × 19,707,936.04 - Step 4: Simplify right side
68,893,599.25x = 2,036,304,239,025,115.75 - Step 5: Solve for x
x = 2,036,304,239,025,115.75/68,893,599.25 - Step 6: Final answer
x = 29,557,234.07
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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.