Finding the Fourth Proportional to 74,246,728.72, 102,461,184.84 and 41,652,380.56
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Solution
The fourth proportional to 74,246,728.72, 102,461,184.84 and 41,652,380.56 is: 57,480,677.43
Step by Step Solution
- Step 1: Write the proportion equation
74,246,728.72 : 102,461,184.84 = 41,652,380.56 : x - Step 2: Convert to fraction form
74,246,728.72/102,461,184.84 = 41,652,380.56/x - Step 3: Cross multiply
74,246,728.72x = 102,461,184.84 × 41,652,380.56 - Step 4: Simplify right side
74,246,728.72x = 4,267,752,263,584,183 - Step 5: Solve for x
x = 4,267,752,263,584,183/74,246,728.72 - Step 6: Final answer
x = 57,480,677.43
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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.