Finding the Fourth Proportional to 66,688,843.14, 92,040,229.97 and 38,425,803.05
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Solution
The fourth proportional to 66,688,843.14, 92,040,229.97 and 38,425,803.05 is: 53,033,154.92
Step by Step Solution
- Step 1: Write the proportion equation
66,688,843.14 : 92,040,229.97 = 38,425,803.05 : x - Step 2: Convert to fraction form
66,688,843.14/92,040,229.97 = 38,425,803.05/x - Step 3: Cross multiply
66,688,843.14x = 92,040,229.97 × 38,425,803.05 - Step 4: Simplify right side
66,688,843.14x = 3,536,719,749,503,927 - Step 5: Solve for x
x = 3,536,719,749,503,927/66,688,843.14 - Step 6: Final answer
x = 53,033,154.92
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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.