Finding the Fourth Proportional to 73,729,010.79, 101,784,285.81 and 53,860,470.57
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Solution
The fourth proportional to 73,729,010.79, 101,784,285.81 and 53,860,470.57 is: 74,355,392.42
Step by Step Solution
- Step 1: Write the proportion equation
73,729,010.79 : 101,784,285.81 = 53,860,470.57 : x - Step 2: Convert to fraction form
73,729,010.79/101,784,285.81 = 53,860,470.57/x - Step 3: Cross multiply
73,729,010.79x = 101,784,285.81 × 53,860,470.57 - Step 4: Simplify right side
73,729,010.79x = 5,482,149,530,357,974 - Step 5: Solve for x
x = 5,482,149,530,357,974/73,729,010.79 - Step 6: Final answer
x = 74,355,392.42
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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.