Finding the Fourth Proportional to 198,179,686.80, 297,269,530.20 and 89,057,134.80
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Solution
The fourth proportional to 198,179,686.80, 297,269,530.20 and 89,057,134.80 is: 133,585,702.20
Step by Step Solution
- Step 1: Write the proportion equation
198,179,686.80 : 297,269,530.20 = 89,057,134.80 : x - Step 2: Convert to fraction form
198,179,686.80/297,269,530.20 = 89,057,134.80/x - Step 3: Cross multiply
198,179,686.80x = 297,269,530.20 × 89,057,134.80 - Step 4: Simplify right side
198,179,686.80x = 26,473,972,622,954,068 - Step 5: Solve for x
x = 26,473,972,622,954,068/198,179,686.80 - Step 6: Final answer
x = 133,585,702.20
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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.