Finding the Fourth Proportional to 146,665,610.35, 202,416,138.98 and 87,960,571.99
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Solution
The fourth proportional to 146,665,610.35, 202,416,138.98 and 87,960,571.99 is: 121,396,142.71
Step by Step Solution
- Step 1: Write the proportion equation
146,665,610.35 : 202,416,138.98 = 87,960,571.99 : x - Step 2: Convert to fraction form
146,665,610.35/202,416,138.98 = 87,960,571.99/x - Step 3: Cross multiply
146,665,610.35x = 202,416,138.98 × 87,960,571.99 - Step 4: Simplify right side
146,665,610.35x = 17,804,639,364,072,142 - Step 5: Solve for x
x = 17,804,639,364,072,142/146,665,610.35 - Step 6: Final answer
x = 121,396,142.71
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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.