Finding the Fourth Proportional to 132,098,689.80, 198,148,034.70 and 122,532,751.80
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Solution
The fourth proportional to 132,098,689.80, 198,148,034.70 and 122,532,751.80 is: 183,799,127.70
Step by Step Solution
- Step 1: Write the proportion equation
132,098,689.80 : 198,148,034.70 = 122,532,751.80 : x - Step 2: Convert to fraction form
132,098,689.80/198,148,034.70 = 122,532,751.80/x - Step 3: Cross multiply
132,098,689.80x = 198,148,034.70 × 122,532,751.80 - Step 4: Simplify right side
132,098,689.80x = 24,279,623,955,552,884 - Step 5: Solve for x
x = 24,279,623,955,552,884/132,098,689.80 - Step 6: Final answer
x = 183,799,127.70
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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.