Finding the Fourth Proportional to 195,626,793.12, 293,422,197.96 and 66,219,612
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Solution
The fourth proportional to 195,626,793.12, 293,422,197.96 and 66,219,612 is: 99,323,327.81
Step by Step Solution
- Step 1: Write the proportion equation
195,626,793.12 : 293,422,197.96 = 66,219,612 : x - Step 2: Convert to fraction form
195,626,793.12/293,422,197.96 = 66,219,612/x - Step 3: Cross multiply
195,626,793.12x = 293,422,197.96 × 66,219,612 - Step 4: Simplify right side
195,626,793.12x = 19,430,304,101,098,392 - Step 5: Solve for x
x = 19,430,304,101,098,392/195,626,793.12 - Step 6: Final answer
x = 99,323,327.81
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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.