Finding the Fourth Proportional to 100,849,964.65, 151,160,195.64 and 61,371,146.08
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Solution
The fourth proportional to 100,849,964.65, 151,160,195.64 and 61,371,146.08 is: 91,986,888.45
Step by Step Solution
- Step 1: Write the proportion equation
100,849,964.65 : 151,160,195.64 = 61,371,146.08 : x - Step 2: Convert to fraction form
100,849,964.65/151,160,195.64 = 61,371,146.08/x - Step 3: Cross multiply
100,849,964.65x = 151,160,195.64 × 61,371,146.08 - Step 4: Simplify right side
100,849,964.65x = 9,276,874,448,103,818 - Step 5: Solve for x
x = 9,276,874,448,103,818/100,849,964.65 - Step 6: Final answer
x = 91,986,888.45
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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.