Finding the Fourth Proportional to 176,278,391.28, 243,270,087.48 and 97,965,245.52
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Solution
The fourth proportional to 176,278,391.28, 243,270,087.48 and 97,965,245.52 is: 135,195,321.87
Step by Step Solution
- Step 1: Write the proportion equation
176,278,391.28 : 243,270,087.48 = 97,965,245.52 : x - Step 2: Convert to fraction form
176,278,391.28/243,270,087.48 = 97,965,245.52/x - Step 3: Cross multiply
176,278,391.28x = 243,270,087.48 × 97,965,245.52 - Step 4: Simplify right side
176,278,391.28x = 23,832,013,847,650,076 - Step 5: Solve for x
x = 23,832,013,847,650,076/176,278,391.28 - Step 6: Final answer
x = 135,195,321.87
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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.