Finding the Fourth Proportional to 68,636,371.69, 102,958,448.46 and 21,953,957.84
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Solution
The fourth proportional to 68,636,371.69, 102,958,448.46 and 21,953,957.84 is: 32,932,181.31
Step by Step Solution
- Step 1: Write the proportion equation
68,636,371.69 : 102,958,448.46 = 21,953,957.84 : x - Step 2: Convert to fraction form
68,636,371.69/102,958,448.46 = 21,953,957.84/x - Step 3: Cross multiply
68,636,371.69x = 102,958,448.46 × 21,953,957.84 - Step 4: Simplify right side
68,636,371.69x = 2,260,345,436,932,624.50 - Step 5: Solve for x
x = 2,260,345,436,932,624.50/68,636,371.69 - Step 6: Final answer
x = 32,932,181.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.