Finding the Fourth Proportional to 104,976,759.70, 157,465,139.55 and 97,324,009.30
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Solution
The fourth proportional to 104,976,759.70, 157,465,139.55 and 97,324,009.30 is: 145,986,013.95
Step by Step Solution
- Step 1: Write the proportion equation
104,976,759.70 : 157,465,139.55 = 97,324,009.30 : x - Step 2: Convert to fraction form
104,976,759.70/157,465,139.55 = 97,324,009.30/x - Step 3: Cross multiply
104,976,759.70x = 157,465,139.55 × 97,324,009.30 - Step 4: Simplify right side
104,976,759.70x = 15,325,138,705,989,998 - Step 5: Solve for x
x = 15,325,138,705,989,998/104,976,759.70 - Step 6: Final answer
x = 145,986,013.95
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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.