Finding the Fourth Proportional to 201,795,206.80, 278,477,382.84 and 108,975,706.45
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Solution
The fourth proportional to 201,795,206.80, 278,477,382.84 and 108,975,706.45 is: 150,386,473.53
Step by Step Solution
- Step 1: Write the proportion equation
201,795,206.80 : 278,477,382.84 = 108,975,706.45 : x - Step 2: Convert to fraction form
201,795,206.80/278,477,382.84 = 108,975,706.45/x - Step 3: Cross multiply
201,795,206.80x = 278,477,382.84 × 108,975,706.45 - Step 4: Simplify right side
201,795,206.80x = 30,347,269,525,336,104 - Step 5: Solve for x
x = 30,347,269,525,336,104/201,795,206.80 - Step 6: Final answer
x = 150,386,473.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.