Finding the Fourth Proportional to 363,476,206.10, 545,363,608.36 and 133,555,438.10
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Solution
The fourth proportional to 363,476,206.10, 545,363,608.36 and 133,555,438.10 is: 200,388,015.55
Step by Step Solution
- Step 1: Write the proportion equation
363,476,206.10 : 545,363,608.36 = 133,555,438.10 : x - Step 2: Convert to fraction form
363,476,206.10/545,363,608.36 = 133,555,438.10/x - Step 3: Cross multiply
363,476,206.10x = 545,363,608.36 × 133,555,438.10 - Step 4: Simplify right side
363,476,206.10x = 72,836,275,638,316,624 - Step 5: Solve for x
x = 72,836,275,638,316,624/363,476,206.10 - Step 6: Final answer
x = 200,388,015.55
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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.