Finding the Fourth Proportional to 106,453,458.51, 146,907,685.98 and 62,432,207.88
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Solution
The fourth proportional to 106,453,458.51, 146,907,685.98 and 62,432,207.88 is: 86,157,568.94
Step by Step Solution
- Step 1: Write the proportion equation
106,453,458.51 : 146,907,685.98 = 62,432,207.88 : x - Step 2: Convert to fraction form
106,453,458.51/146,907,685.98 = 62,432,207.88/x - Step 3: Cross multiply
106,453,458.51x = 146,907,685.98 × 62,432,207.88 - Step 4: Simplify right side
106,453,458.51x = 9,171,771,190,273,122 - Step 5: Solve for x
x = 9,171,771,190,273,122/106,453,458.51 - Step 6: Final answer
x = 86,157,568.94
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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.