Finding the Fourth Proportional to 272,392,229.22, 375,910,348.68 and 148,639,696.98
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Solution
The fourth proportional to 272,392,229.22, 375,910,348.68 and 148,639,696.98 is: 205,127,732.46
Step by Step Solution
- Step 1: Write the proportion equation
272,392,229.22 : 375,910,348.68 = 148,639,696.98 : x - Step 2: Convert to fraction form
272,392,229.22/375,910,348.68 = 148,639,696.98/x - Step 3: Cross multiply
272,392,229.22x = 375,910,348.68 × 148,639,696.98 - Step 4: Simplify right side
272,392,229.22x = 55,875,200,319,441,344 - Step 5: Solve for x
x = 55,875,200,319,441,344/272,392,229.22 - Step 6: Final answer
x = 205,127,732.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.