Finding the Fourth Proportional to 69,933,166.20, 104,899,749.30 and 44,423,998.20
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Solution
The fourth proportional to 69,933,166.20, 104,899,749.30 and 44,423,998.20 is: 66,635,997.30
Step by Step Solution
- Step 1: Write the proportion equation
69,933,166.20 : 104,899,749.30 = 44,423,998.20 : x - Step 2: Convert to fraction form
69,933,166.20/104,899,749.30 = 44,423,998.20/x - Step 3: Cross multiply
69,933,166.20x = 104,899,749.30 × 44,423,998.20 - Step 4: Simplify right side
69,933,166.20x = 4,660,066,274,083,651 - Step 5: Solve for x
x = 4,660,066,274,083,651/69,933,166.20 - Step 6: Final answer
x = 66,635,997.30
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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.