Finding the Fourth Proportional to 68,106,010.60, 102,194,887.74 and 39,372,325.48
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Solution
The fourth proportional to 68,106,010.60, 102,194,887.74 and 39,372,325.48 is: 59,079,225.86
Step by Step Solution
- Step 1: Write the proportion equation
68,106,010.60 : 102,194,887.74 = 39,372,325.48 : x - Step 2: Convert to fraction form
68,106,010.60/102,194,887.74 = 39,372,325.48/x - Step 3: Cross multiply
68,106,010.60x = 102,194,887.74 × 39,372,325.48 - Step 4: Simplify right side
68,106,010.60x = 4,023,650,382,491,341 - Step 5: Solve for x
x = 4,023,650,382,491,341/68,106,010.60 - Step 6: Final answer
x = 59,079,225.86
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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.