Finding the Fourth Proportional to 129,160,305.10, 193,831,245.65 and 116,811,276.99
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Solution
The fourth proportional to 129,160,305.10, 193,831,245.65 and 116,811,276.99 is: 175,299,023.24
Step by Step Solution
- Step 1: Write the proportion equation
129,160,305.10 : 193,831,245.65 = 116,811,276.99 : x - Step 2: Convert to fraction form
129,160,305.10/193,831,245.65 = 116,811,276.99/x - Step 3: Cross multiply
129,160,305.10x = 193,831,245.65 × 116,811,276.99 - Step 4: Simplify right side
129,160,305.10x = 22,641,675,324,938,884 - Step 5: Solve for x
x = 22,641,675,324,938,884/129,160,305.10 - Step 6: Final answer
x = 175,299,023.24
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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.