Finding the Fourth Proportional to 103,674,448.45, 155,511,672.68 and 62,992,639.90
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Solution
The fourth proportional to 103,674,448.45, 155,511,672.68 and 62,992,639.90 is: 94,488,959.85
Step by Step Solution
- Step 1: Write the proportion equation
103,674,448.45 : 155,511,672.68 = 62,992,639.90 : x - Step 2: Convert to fraction form
103,674,448.45/155,511,672.68 = 62,992,639.90/x - Step 3: Cross multiply
103,674,448.45x = 155,511,672.68 × 62,992,639.90 - Step 4: Simplify right side
103,674,448.45x = 9,796,090,797,377,908 - Step 5: Solve for x
x = 9,796,090,797,377,908/103,674,448.45 - Step 6: Final answer
x = 94,488,959.85
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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.