Finding the Fourth Proportional to 129,026,847.20, 193,556,859.60 and 64,363,704.80
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Solution
The fourth proportional to 129,026,847.20, 193,556,859.60 and 64,363,704.80 is: 96,553,832.35
Step by Step Solution
- Step 1: Write the proportion equation
129,026,847.20 : 193,556,859.60 = 64,363,704.80 : x - Step 2: Convert to fraction form
129,026,847.20/193,556,859.60 = 64,363,704.80/x - Step 3: Cross multiply
129,026,847.20x = 193,556,859.60 × 64,363,704.80 - Step 4: Simplify right side
129,026,847.20x = 12,458,036,573,309,446 - Step 5: Solve for x
x = 12,458,036,573,309,446/129,026,847.20 - Step 6: Final answer
x = 96,553,832.35
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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.