Finding the Fourth Proportional to 74,347,976.37, 102,602,976.34 and 44,583,470.38
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Solution
The fourth proportional to 74,347,976.37, 102,602,976.34 and 44,583,470.38 is: 61,526,849.55
Step by Step Solution
- Step 1: Write the proportion equation
74,347,976.37 : 102,602,976.34 = 44,583,470.38 : x - Step 2: Convert to fraction form
74,347,976.37/102,602,976.34 = 44,583,470.38/x - Step 3: Cross multiply
74,347,976.37x = 102,602,976.34 × 44,583,470.38 - Step 4: Simplify right side
74,347,976.37x = 4,574,396,756,554,231 - Step 5: Solve for x
x = 4,574,396,756,554,231/74,347,976.37 - Step 6: Final answer
x = 61,526,849.55
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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.