Finding the Fourth Proportional to 194,170,355.10, 291,255,532.65 and 177,542,156.70
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Solution
The fourth proportional to 194,170,355.10, 291,255,532.65 and 177,542,156.70 is: 266,313,235.05
Step by Step Solution
- Step 1: Write the proportion equation
194,170,355.10 : 291,255,532.65 = 177,542,156.70 : x - Step 2: Convert to fraction form
194,170,355.10/291,255,532.65 = 177,542,156.70/x - Step 3: Cross multiply
194,170,355.10x = 291,255,532.65 × 177,542,156.70 - Step 4: Simplify right side
194,170,355.10x = 51,710,135,417,488,256 - Step 5: Solve for x
x = 51,710,135,417,488,256/194,170,355.10 - Step 6: Final answer
x = 266,313,235.05
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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.