Finding the Fourth Proportional to 104,976,912.60, 157,465,368.90 and 66,524,203.80
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Solution
The fourth proportional to 104,976,912.60, 157,465,368.90 and 66,524,203.80 is: 99,786,305.70
Step by Step Solution
- Step 1: Write the proportion equation
104,976,912.60 : 157,465,368.90 = 66,524,203.80 : x - Step 2: Convert to fraction form
104,976,912.60/157,465,368.90 = 66,524,203.80/x - Step 3: Cross multiply
104,976,912.60x = 157,465,368.90 × 66,524,203.80 - Step 4: Simplify right side
104,976,912.60x = 10,475,258,292,145,782 - Step 5: Solve for x
x = 10,475,258,292,145,782/104,976,912.60 - Step 6: Final answer
x = 99,786,305.70
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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.