Finding the Fourth Proportional to 74,216,243.62, 102,414,946.30 and 41,176,141.12
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Solution
The fourth proportional to 74,216,243.62, 102,414,946.30 and 41,176,141.12 is: 56,821,149.60
Step by Step Solution
- Step 1: Write the proportion equation
74,216,243.62 : 102,414,946.30 = 41,176,141.12 : x - Step 2: Convert to fraction form
74,216,243.62/102,414,946.30 = 41,176,141.12/x - Step 3: Cross multiply
74,216,243.62x = 102,414,946.30 × 41,176,141.12 - Step 4: Simplify right side
74,216,243.62x = 4,217,052,281,902,922.50 - Step 5: Solve for x
x = 4,217,052,281,902,922.50/74,216,243.62 - Step 6: Final answer
x = 56,821,149.60
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.