Finding the Fourth Proportional to 150,603,456.08, 207,915,236.26 and 105,409,759.30
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Solution
The fourth proportional to 150,603,456.08, 207,915,236.26 and 105,409,759.30 is: 145,523,187.70
Step by Step Solution
- Step 1: Write the proportion equation
150,603,456.08 : 207,915,236.26 = 105,409,759.30 : x - Step 2: Convert to fraction form
150,603,456.08/207,915,236.26 = 105,409,759.30/x - Step 3: Cross multiply
150,603,456.08x = 207,915,236.26 × 105,409,759.30 - Step 4: Simplify right side
150,603,456.08x = 21,916,295,008,185,920 - Step 5: Solve for x
x = 21,916,295,008,185,920/150,603,456.08 - Step 6: Final answer
x = 145,523,187.70
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.