Finding the Fourth Proportional to 115,951,702.39, 160,017,245.82 and 68,258,350.98
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Solution
The fourth proportional to 115,951,702.39, 160,017,245.82 and 68,258,350.98 is: 94,198,818.16
Step by Step Solution
- Step 1: Write the proportion equation
115,951,702.39 : 160,017,245.82 = 68,258,350.98 : x - Step 2: Convert to fraction form
115,951,702.39/160,017,245.82 = 68,258,350.98/x - Step 3: Cross multiply
115,951,702.39x = 160,017,245.82 × 68,258,350.98 - Step 4: Simplify right side
115,951,702.39x = 10,922,513,328,034,498 - Step 5: Solve for x
x = 10,922,513,328,034,498/115,951,702.39 - Step 6: Final answer
x = 94,198,818.16
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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.