Finding the Fourth Proportional to 99,696,533.70, 149,544,800.55 and 45,948,821.70
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Solution
The fourth proportional to 99,696,533.70, 149,544,800.55 and 45,948,821.70 is: 68,923,232.55
Step by Step Solution
- Step 1: Write the proportion equation
99,696,533.70 : 149,544,800.55 = 45,948,821.70 : x - Step 2: Convert to fraction form
99,696,533.70/149,544,800.55 = 45,948,821.70/x - Step 3: Cross multiply
99,696,533.70x = 149,544,800.55 × 45,948,821.70 - Step 4: Simplify right side
99,696,533.70x = 6,871,407,376,634,013 - Step 5: Solve for x
x = 6,871,407,376,634,013/99,696,533.70 - Step 6: Final answer
x = 68,923,232.55
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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.