Finding the Fourth Proportional to 75,532,648.80, 113,298,973.20 and 24,451,327.20
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Solution
The fourth proportional to 75,532,648.80, 113,298,973.20 and 24,451,327.20 is: 36,676,990.80
Step by Step Solution
- Step 1: Write the proportion equation
75,532,648.80 : 113,298,973.20 = 24,451,327.20 : x - Step 2: Convert to fraction form
75,532,648.80/113,298,973.20 = 24,451,327.20/x - Step 3: Cross multiply
75,532,648.80x = 113,298,973.20 × 24,451,327.20 - Step 4: Simplify right side
75,532,648.80x = 2,770,310,265,137,231 - Step 5: Solve for x
x = 2,770,310,265,137,231/75,532,648.80 - Step 6: Final answer
x = 36,676,990.80
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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.