Finding the Fourth Proportional to 74,644,124.16, 102,960,804.68 and 49,525,689.80
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Solution
The fourth proportional to 74,644,124.16, 102,960,804.68 and 49,525,689.80 is: 68,313,546.87
Step by Step Solution
- Step 1: Write the proportion equation
74,644,124.16 : 102,960,804.68 = 49,525,689.80 : x - Step 2: Convert to fraction form
74,644,124.16/102,960,804.68 = 49,525,689.80/x - Step 3: Cross multiply
74,644,124.16x = 102,960,804.68 × 49,525,689.80 - Step 4: Simplify right side
74,644,124.16x = 5,099,204,874,140,068 - Step 5: Solve for x
x = 5,099,204,874,140,068/74,644,124.16 - Step 6: Final answer
x = 68,313,546.87
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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.