Finding the Fourth Proportional to 117,332,520.96, 161,920,604.16 and 65,124,910.08
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Solution
The fourth proportional to 117,332,520.96, 161,920,604.16 and 65,124,910.08 is: 89,873,333.49
Step by Step Solution
- Step 1: Write the proportion equation
117,332,520.96 : 161,920,604.16 = 65,124,910.08 : x - Step 2: Convert to fraction form
117,332,520.96/161,920,604.16 = 65,124,910.08/x - Step 3: Cross multiply
117,332,520.96x = 161,920,604.16 × 65,124,910.08 - Step 4: Simplify right side
117,332,520.96x = 10,545,064,786,019,274 - Step 5: Solve for x
x = 10,545,064,786,019,274/117,332,520.96 - Step 6: Final answer
x = 89,873,333.49
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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.