Finding the Fourth Proportional to 69,976,753.43, 96,587,129.19 and 40,617,544.49
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Solution
The fourth proportional to 69,976,753.43, 96,587,129.19 and 40,617,544.49 is: 56,063,361.40
Step by Step Solution
- Step 1: Write the proportion equation
69,976,753.43 : 96,587,129.19 = 40,617,544.49 : x - Step 2: Convert to fraction form
69,976,753.43/96,587,129.19 = 40,617,544.49/x - Step 3: Cross multiply
69,976,753.43x = 96,587,129.19 × 40,617,544.49 - Step 4: Simplify right side
69,976,753.43x = 3,923,132,017,036,203 - Step 5: Solve for x
x = 3,923,132,017,036,203/69,976,753.43 - Step 6: Final answer
x = 56,063,361.40
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.