Finding the Fourth Proportional to 194,170,509.10, 291,255,763.65 and 177,542,310.70
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Solution
The fourth proportional to 194,170,509.10, 291,255,763.65 and 177,542,310.70 is: 266,313,466.05
Step by Step Solution
- Step 1: Write the proportion equation
194,170,509.10 : 291,255,763.65 = 177,542,310.70 : x - Step 2: Convert to fraction form
194,170,509.10/291,255,763.65 = 177,542,310.70/x - Step 3: Cross multiply
194,170,509.10x = 291,255,763.65 × 177,542,310.70 - Step 4: Simplify right side
194,170,509.10x = 51,710,221,283,114,056 - Step 5: Solve for x
x = 51,710,221,283,114,056/194,170,509.10 - Step 6: Final answer
x = 266,313,466.05
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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.