Finding the Fourth Proportional to 85,374,866.44, 128,065,842.60 and 24,790,592.44
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Solution
The fourth proportional to 85,374,866.44, 128,065,842.60 and 24,790,592.44 is: 37,186,917.43
Step by Step Solution
- Step 1: Write the proportion equation
85,374,866.44 : 128,065,842.60 = 24,790,592.44 : x - Step 2: Convert to fraction form
85,374,866.44/128,065,842.60 = 24,790,592.44/x - Step 3: Cross multiply
85,374,866.44x = 128,065,842.60 × 24,790,592.44 - Step 4: Simplify right side
85,374,866.44x = 3,174,828,109,061,625 - Step 5: Solve for x
x = 3,174,828,109,061,625/85,374,866.44 - Step 6: Final answer
x = 37,186,917.43
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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.