Finding the Fourth Proportional to 69,379,691.94, 104,029,198.29 and 26,252,226.90
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Solution
The fourth proportional to 69,379,691.94, 104,029,198.29 and 26,252,226.90 is: 39,363,076.45
Step by Step Solution
- Step 1: Write the proportion equation
69,379,691.94 : 104,029,198.29 = 26,252,226.90 : x - Step 2: Convert to fraction form
69,379,691.94/104,029,198.29 = 26,252,226.90/x - Step 3: Cross multiply
69,379,691.94x = 104,029,198.29 × 26,252,226.90 - Step 4: Simplify right side
69,379,691.94x = 2,730,998,117,734,172 - Step 5: Solve for x
x = 2,730,998,117,734,172/69,379,691.94 - Step 6: Final answer
x = 39,363,076.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.