Finding the Fourth Proportional to 74,324,809.70, 111,487,214.55 and 74,324,809.70
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Solution
The fourth proportional to 74,324,809.70, 111,487,214.55 and 74,324,809.70 is: 111,487,214.55
Step by Step Solution
- Step 1: Write the proportion equation
74,324,809.70 : 111,487,214.55 = 74,324,809.70 : x - Step 2: Convert to fraction form
74,324,809.70/111,487,214.55 = 74,324,809.70/x - Step 3: Cross multiply
74,324,809.70x = 111,487,214.55 × 74,324,809.70 - Step 4: Simplify right side
74,324,809.70x = 8,286,266,005,411,821 - Step 5: Solve for x
x = 8,286,266,005,411,821/74,324,809.70 - Step 6: Final answer
x = 111,487,214.55
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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.