Finding the Fourth Proportional to 194,170,370.10, 291,255,555.15 and 177,542,171.70
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Solution
The fourth proportional to 194,170,370.10, 291,255,555.15 and 177,542,171.70 is: 266,313,257.55
Step by Step Solution
- Step 1: Write the proportion equation
194,170,370.10 : 291,255,555.15 = 177,542,171.70 : x - Step 2: Convert to fraction form
194,170,370.10/291,255,555.15 = 177,542,171.70/x - Step 3: Cross multiply
194,170,370.10x = 291,255,555.15 × 177,542,171.70 - Step 4: Simplify right side
194,170,370.10x = 51,710,143,781,020,112 - Step 5: Solve for x
x = 51,710,143,781,020,112/194,170,370.10 - Step 6: Final answer
x = 266,313,257.55
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1.5x scale
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.