Finding the Fourth Proportional to 100,642,532.24, 150,946,981.65 and 27,866,669.54
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Solution
The fourth proportional to 100,642,532.24, 150,946,981.65 and 27,866,669.54 is: 41,795,347.96
Step by Step Solution
- Step 1: Write the proportion equation
100,642,532.24 : 150,946,981.65 = 27,866,669.54 : x - Step 2: Convert to fraction form
100,642,532.24/150,946,981.65 = 27,866,669.54/x - Step 3: Cross multiply
100,642,532.24x = 150,946,981.65 × 27,866,669.54 - Step 4: Simplify right side
100,642,532.24x = 4,206,389,654,946,259 - Step 5: Solve for x
x = 4,206,389,654,946,259/100,642,532.24 - Step 6: Final answer
x = 41,795,347.96
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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.