Finding the Fourth Proportional to 68,325,692.80, 102,364,123.20 and 32,344,585.60
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Solution
The fourth proportional to 68,325,692.80, 102,364,123.20 and 32,344,585.60 is: 48,457,981.32
Step by Step Solution
- Step 1: Write the proportion equation
68,325,692.80 : 102,364,123.20 = 32,344,585.60 : x - Step 2: Convert to fraction form
68,325,692.80/102,364,123.20 = 32,344,585.60/x - Step 3: Cross multiply
68,325,692.80x = 102,364,123.20 × 32,344,585.60 - Step 4: Simplify right side
68,325,692.80x = 3,310,925,145,211,346 - Step 5: Solve for x
x = 3,310,925,145,211,346/68,325,692.80 - Step 6: Final answer
x = 48,457,981.32
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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.