Finding the Fourth Proportional to 75,580,136.20, 113,370,204.30 and 32,441,998.60
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Solution
The fourth proportional to 75,580,136.20, 113,370,204.30 and 32,441,998.60 is: 48,662,997.90
Step by Step Solution
- Step 1: Write the proportion equation
75,580,136.20 : 113,370,204.30 = 32,441,998.60 : x - Step 2: Convert to fraction form
75,580,136.20/113,370,204.30 = 32,441,998.60/x - Step 3: Cross multiply
75,580,136.20x = 113,370,204.30 × 32,441,998.60 - Step 4: Simplify right side
75,580,136.20x = 3,677,956,009,182,314 - Step 5: Solve for x
x = 3,677,956,009,182,314/75,580,136.20 - Step 6: Final answer
x = 48,662,997.90
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Double scale
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Similar ratio
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1.5x scale
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.