Finding the Fourth Proportional to 107,843,535.10, 161,765,302.65 and 82,334,367.10
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Solution
The fourth proportional to 107,843,535.10, 161,765,302.65 and 82,334,367.10 is: 123,501,550.65
Step by Step Solution
- Step 1: Write the proportion equation
107,843,535.10 : 161,765,302.65 = 82,334,367.10 : x - Step 2: Convert to fraction form
107,843,535.10/161,765,302.65 = 82,334,367.10/x - Step 3: Cross multiply
107,843,535.10x = 161,765,302.65 × 82,334,367.10 - Step 4: Simplify right side
107,843,535.10x = 13,318,843,812,427,702 - Step 5: Solve for x
x = 13,318,843,812,427,702/107,843,535.10 - Step 6: Final answer
x = 123,501,550.65
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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.