Finding the Fourth Proportional to 80,432,816.10, 120,680,716.95 and 29,320,001.70
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Solution
The fourth proportional to 80,432,816.10, 120,680,716.95 and 29,320,001.70 is: 43,991,482.55
Step by Step Solution
- Step 1: Write the proportion equation
80,432,816.10 : 120,680,716.95 = 29,320,001.70 : x - Step 2: Convert to fraction form
80,432,816.10/120,680,716.95 = 29,320,001.70/x - Step 3: Cross multiply
80,432,816.10x = 120,680,716.95 × 29,320,001.70 - Step 4: Simplify right side
80,432,816.10x = 3,538,358,826,131,219 - Step 5: Solve for x
x = 3,538,358,826,131,219/80,432,816.10 - Step 6: Final answer
x = 43,991,482.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.