Finding the Fourth Proportional to 100,849,966.65, 151,160,198.64 and 61,371,148.08
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Solution
The fourth proportional to 100,849,966.65, 151,160,198.64 and 61,371,148.08 is: 91,986,891.45
Step by Step Solution
- Step 1: Write the proportion equation
100,849,966.65 : 151,160,198.64 = 61,371,148.08 : x - Step 2: Convert to fraction form
100,849,966.65/151,160,198.64 = 61,371,148.08/x - Step 3: Cross multiply
100,849,966.65x = 151,160,198.64 × 61,371,148.08 - Step 4: Simplify right side
100,849,966.65x = 9,276,874,934,537,654 - Step 5: Solve for x
x = 9,276,874,934,537,654/100,849,966.65 - Step 6: Final answer
x = 91,986,891.45
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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.