Finding the Fourth Proportional to 71,202,798.08, 98,261,793.60 and 40,267,593.44
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Solution
The fourth proportional to 71,202,798.08, 98,261,793.60 and 40,267,593.44 is: 55,570,371.70
Step by Step Solution
- Step 1: Write the proportion equation
71,202,798.08 : 98,261,793.60 = 40,267,593.44 : x - Step 2: Convert to fraction form
71,202,798.08/98,261,793.60 = 40,267,593.44/x - Step 3: Cross multiply
71,202,798.08x = 98,261,793.60 × 40,267,593.44 - Step 4: Simplify right side
71,202,798.08x = 3,956,765,955,369,993.50 - Step 5: Solve for x
x = 3,956,765,955,369,993.50/71,202,798.08 - Step 6: Final answer
x = 55,570,371.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.