Finding the Fourth Proportional to 107,235,073.57, 147,972,560.84 and 60,181,354.90
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Solution
The fourth proportional to 107,235,073.57, 147,972,560.84 and 60,181,354.90 is: 83,043,624.65
Step by Step Solution
- Step 1: Write the proportion equation
107,235,073.57 : 147,972,560.84 = 60,181,354.90 : x - Step 2: Convert to fraction form
107,235,073.57/147,972,560.84 = 60,181,354.90/x - Step 3: Cross multiply
107,235,073.57x = 147,972,560.84 × 60,181,354.90 - Step 4: Simplify right side
107,235,073.57x = 8,905,189,199,072,976 - Step 5: Solve for x
x = 8,905,189,199,072,976/107,235,073.57 - Step 6: Final answer
x = 83,043,624.65
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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.