Finding the Fourth Proportional to 220,145,673.40, 330,134,529.30 and 66,740,745.40
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Solution
The fourth proportional to 220,145,673.40, 330,134,529.30 and 66,740,745.40 is: 100,085,657.95
Step by Step Solution
- Step 1: Write the proportion equation
220,145,673.40 : 330,134,529.30 = 66,740,745.40 : x - Step 2: Convert to fraction form
220,145,673.40/330,134,529.30 = 66,740,745.40/x - Step 3: Cross multiply
220,145,673.40x = 330,134,529.30 × 66,740,745.40 - Step 4: Simplify right side
220,145,673.40x = 22,033,424,567,760,140 - Step 5: Solve for x
x = 22,033,424,567,760,140/220,145,673.40 - Step 6: Final answer
x = 100,085,657.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.