Finding the Fourth Proportional to 97,471,382.40, 146,207,073.60 and 82,165,881.60
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Solution
The fourth proportional to 97,471,382.40, 146,207,073.60 and 82,165,881.60 is: 123,248,822.40
Step by Step Solution
- Step 1: Write the proportion equation
97,471,382.40 : 146,207,073.60 = 82,165,881.60 : x - Step 2: Convert to fraction form
97,471,382.40/146,207,073.60 = 82,165,881.60/x - Step 3: Cross multiply
97,471,382.40x = 146,207,073.60 × 82,165,881.60 - Step 4: Simplify right side
97,471,382.40x = 12,013,233,098,500,084 - Step 5: Solve for x
x = 12,013,233,098,500,084/97,471,382.40 - Step 6: Final answer
x = 123,248,822.40
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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.