Finding the Fourth Proportional to 81,104,600.16, 121,631,181.12 and 26,504,832.96
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Solution
The fourth proportional to 81,104,600.16, 121,631,181.12 and 26,504,832.96 is: 39,748,844.48
Step by Step Solution
- Step 1: Write the proportion equation
81,104,600.16 : 121,631,181.12 = 26,504,832.96 : x - Step 2: Convert to fraction form
81,104,600.16/121,631,181.12 = 26,504,832.96/x - Step 3: Cross multiply
81,104,600.16x = 121,631,181.12 × 26,504,832.96 - Step 4: Simplify right side
81,104,600.16x = 3,223,814,138,313,106 - Step 5: Solve for x
x = 3,223,814,138,313,106/81,104,600.16 - Step 6: Final answer
x = 39,748,844.48
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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.