Finding the Fourth Proportional to 107,350,988.40, 161,053,309.80 and 34,574,626.80
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Solution
The fourth proportional to 107,350,988.40, 161,053,309.80 and 34,574,626.80 is: 51,870,580.46
Step by Step Solution
- Step 1: Write the proportion equation
107,350,988.40 : 161,053,309.80 = 34,574,626.80 : x - Step 2: Convert to fraction form
107,350,988.40/161,053,309.80 = 34,574,626.80/x - Step 3: Cross multiply
107,350,988.40x = 161,053,309.80 × 34,574,626.80 - Step 4: Simplify right side
107,350,988.40x = 5,568,358,081,239,783 - Step 5: Solve for x
x = 5,568,358,081,239,783/107,350,988.40 - Step 6: Final answer
x = 51,870,580.46
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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.