Finding the Fourth Proportional to 179,354,553.40, 269,031,830.10 and 135,988,967.80
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Solution
The fourth proportional to 179,354,553.40, 269,031,830.10 and 135,988,967.80 is: 203,983,451.70
Step by Step Solution
- Step 1: Write the proportion equation
179,354,553.40 : 269,031,830.10 = 135,988,967.80 : x - Step 2: Convert to fraction form
179,354,553.40/269,031,830.10 = 135,988,967.80/x - Step 3: Cross multiply
179,354,553.40x = 269,031,830.10 × 135,988,967.80 - Step 4: Simplify right side
179,354,553.40x = 36,585,360,880,643,976 - Step 5: Solve for x
x = 36,585,360,880,643,976/179,354,553.40 - Step 6: Final answer
x = 203,983,451.70
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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.