Finding the Fourth Proportional to 88,384,299.12, 121,974,135.36 and 49,226,093.28
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Solution
The fourth proportional to 88,384,299.12, 121,974,135.36 and 49,226,093.28 is: 67,934,126.59
Step by Step Solution
- Step 1: Write the proportion equation
88,384,299.12 : 121,974,135.36 = 49,226,093.28 : x - Step 2: Convert to fraction form
88,384,299.12/121,974,135.36 = 49,226,093.28/x - Step 3: Cross multiply
88,384,299.12x = 121,974,135.36 × 49,226,093.28 - Step 4: Simplify right side
88,384,299.12x = 6,004,310,164,978,706 - Step 5: Solve for x
x = 6,004,310,164,978,706/88,384,299.12 - Step 6: Final answer
x = 67,934,126.59
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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.