Finding the Fourth Proportional to 43,457,816.40, 65,092,246.20 and 26,388,718.80
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Solution
The fourth proportional to 43,457,816.40, 65,092,246.20 and 26,388,718.80 is: 39,525,708.45
Step by Step Solution
- Step 1: Write the proportion equation
43,457,816.40 : 65,092,246.20 = 26,388,718.80 : x - Step 2: Convert to fraction form
43,457,816.40/65,092,246.20 = 26,388,718.80/x - Step 3: Cross multiply
43,457,816.40x = 65,092,246.20 × 26,388,718.80 - Step 4: Simplify right side
43,457,816.40x = 1,717,700,981,032,168.75 - Step 5: Solve for x
x = 1,717,700,981,032,168.75/43,457,816.40 - Step 6: Final answer
x = 39,525,708.45
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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.