Finding the Fourth Proportional to 106,375,729.20, 159,563,593.80 and 102,124,201.20
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Solution
The fourth proportional to 106,375,729.20, 159,563,593.80 and 102,124,201.20 is: 153,186,301.80
Step by Step Solution
- Step 1: Write the proportion equation
106,375,729.20 : 159,563,593.80 = 102,124,201.20 : x - Step 2: Convert to fraction form
106,375,729.20/159,563,593.80 = 102,124,201.20/x - Step 3: Cross multiply
106,375,729.20x = 159,563,593.80 × 102,124,201.20 - Step 4: Simplify right side
106,375,729.20x = 16,295,304,557,426,274 - Step 5: Solve for x
x = 16,295,304,557,426,274/106,375,729.20 - Step 6: Final answer
x = 153,186,301.80
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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.