Finding the Fourth Proportional to 103,674,420.45, 155,511,630.68 and 62,992,611.90
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Solution
The fourth proportional to 103,674,420.45, 155,511,630.68 and 62,992,611.90 is: 94,488,917.85
Step by Step Solution
- Step 1: Write the proportion equation
103,674,420.45 : 155,511,630.68 = 62,992,611.90 : x - Step 2: Convert to fraction form
103,674,420.45/155,511,630.68 = 62,992,611.90/x - Step 3: Cross multiply
103,674,420.45x = 155,511,630.68 × 62,992,611.90 - Step 4: Simplify right side
103,674,420.45x = 9,796,083,797,361,374 - Step 5: Solve for x
x = 9,796,083,797,361,374/103,674,420.45 - Step 6: Final answer
x = 94,488,917.85
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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.