Finding the Fourth Proportional to 81,545,900.14, 112,533,360.74 and 44,876,471.14
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Solution
The fourth proportional to 81,545,900.14, 112,533,360.74 and 44,876,471.14 is: 61,929,540.38
Step by Step Solution
- Step 1: Write the proportion equation
81,545,900.14 : 112,533,360.74 = 44,876,471.14 : x - Step 2: Convert to fraction form
81,545,900.14/112,533,360.74 = 44,876,471.14/x - Step 3: Cross multiply
81,545,900.14x = 112,533,360.74 × 44,876,471.14 - Step 4: Simplify right side
81,545,900.14x = 5,050,100,115,535,819 - Step 5: Solve for x
x = 5,050,100,115,535,819/81,545,900.14 - Step 6: Final answer
x = 61,929,540.38
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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.