Finding the Fourth Proportional to 68,043,221.60, 101,923,114.80 and 68,043,221.60
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Solution
The fourth proportional to 68,043,221.60, 101,923,114.80 and 68,043,221.60 is: 101,923,114.80
Step by Step Solution
- Step 1: Write the proportion equation
68,043,221.60 : 101,923,114.80 = 68,043,221.60 : x - Step 2: Convert to fraction form
68,043,221.60/101,923,114.80 = 68,043,221.60/x - Step 3: Cross multiply
68,043,221.60x = 101,923,114.80 × 68,043,221.60 - Step 4: Simplify right side
68,043,221.60x = 6,935,177,086,498,639 - Step 5: Solve for x
x = 6,935,177,086,498,639/68,043,221.60 - Step 6: Final answer
x = 101,923,114.80
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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.