Finding the Fourth Proportional to 74,942,244.96, 103,388,628.78 and 50,170,411.68
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Solution
The fourth proportional to 74,942,244.96, 103,388,628.78 and 50,170,411.68 is: 69,213,966.99
Step by Step Solution
- Step 1: Write the proportion equation
74,942,244.96 : 103,388,628.78 = 50,170,411.68 : x - Step 2: Convert to fraction form
74,942,244.96/103,388,628.78 = 50,170,411.68/x - Step 3: Cross multiply
74,942,244.96x = 103,388,628.78 × 50,170,411.68 - Step 4: Simplify right side
74,942,244.96x = 5,187,050,068,923,296 - Step 5: Solve for x
x = 5,187,050,068,923,296/74,942,244.96 - Step 6: Final answer
x = 69,213,966.99
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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.