Finding the Fourth Proportional to 99,696,093.70, 149,544,140.55 and 45,948,381.70
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Solution
The fourth proportional to 99,696,093.70, 149,544,140.55 and 45,948,381.70 is: 68,922,572.55
Step by Step Solution
- Step 1: Write the proportion equation
99,696,093.70 : 149,544,140.55 = 45,948,381.70 : x - Step 2: Convert to fraction form
99,696,093.70/149,544,140.55 = 45,948,381.70/x - Step 3: Cross multiply
99,696,093.70x = 149,544,140.55 × 45,948,381.70 - Step 4: Simplify right side
99,696,093.70x = 6,871,311,250,989,849 - Step 5: Solve for x
x = 6,871,311,250,989,849/99,696,093.70 - Step 6: Final answer
x = 68,922,572.55
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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.