Finding the Fourth Proportional to 91,126,841.91, 125,755,375.08 and 49,310,907.60
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Solution
The fourth proportional to 91,126,841.91, 125,755,375.08 and 49,310,907.60 is: 68,049,232.81
Step by Step Solution
- Step 1: Write the proportion equation
91,126,841.91 : 125,755,375.08 = 49,310,907.60 : x - Step 2: Convert to fraction form
91,126,841.91/125,755,375.08 = 49,310,907.60/x - Step 3: Cross multiply
91,126,841.91x = 125,755,375.08 × 49,310,907.60 - Step 4: Simplify right side
91,126,841.91x = 6,201,111,680,773,223 - Step 5: Solve for x
x = 6,201,111,680,773,223/91,126,841.91 - Step 6: Final answer
x = 68,049,232.81
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.