Finding the Fourth Proportional to 134,730,163.87, 185,930,047.57 and 79,015,768.53
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Solution
The fourth proportional to 134,730,163.87, 185,930,047.57 and 79,015,768.53 is: 109,043,180.68
Step by Step Solution
- Step 1: Write the proportion equation
134,730,163.87 : 185,930,047.57 = 79,015,768.53 : x - Step 2: Convert to fraction form
134,730,163.87/185,930,047.57 = 79,015,768.53/x - Step 3: Cross multiply
134,730,163.87x = 185,930,047.57 × 79,015,768.53 - Step 4: Simplify right side
134,730,163.87x = 14,691,405,601,563,008 - Step 5: Solve for x
x = 14,691,405,601,563,008/134,730,163.87 - Step 6: Final answer
x = 109,043,180.68
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.