Finding the Fourth Proportional to 108,172,269.90, 149,277,863.70 and 58,612,604.49
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Solution
The fourth proportional to 108,172,269.90, 149,277,863.70 and 58,612,604.49 is: 80,885,465.31
Step by Step Solution
- Step 1: Write the proportion equation
108,172,269.90 : 149,277,863.70 = 58,612,604.49 : x - Step 2: Convert to fraction form
108,172,269.90/149,277,863.70 = 58,612,604.49/x - Step 3: Cross multiply
108,172,269.90x = 149,277,863.70 × 58,612,604.49 - Step 4: Simplify right side
108,172,269.90x = 8,749,564,384,160,228 - Step 5: Solve for x
x = 8,749,564,384,160,228/108,172,269.90 - Step 6: Final answer
x = 80,885,465.31
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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.