Finding the Fourth Proportional to 103,596,165.70, 155,394,248.55 and 49,848,453.70
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Solution
The fourth proportional to 103,596,165.70, 155,394,248.55 and 49,848,453.70 is: 74,772,680.55
Step by Step Solution
- Step 1: Write the proportion equation
103,596,165.70 : 155,394,248.55 = 49,848,453.70 : x - Step 2: Convert to fraction form
103,596,165.70/155,394,248.55 = 49,848,453.70/x - Step 3: Cross multiply
103,596,165.70x = 155,394,248.55 × 49,848,453.70 - Step 4: Simplify right side
103,596,165.70x = 7,746,163,004,090,968 - Step 5: Solve for x
x = 7,746,163,004,090,968/103,596,165.70 - Step 6: Final answer
x = 74,772,680.55
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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.