Finding the Fourth Proportional to 203,473,886.60, 305,229,492.30 and 67,159,569.80
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Solution
The fourth proportional to 203,473,886.60, 305,229,492.30 and 67,159,569.80 is: 100,745,514.50
Step by Step Solution
- Step 1: Write the proportion equation
203,473,886.60 : 305,229,492.30 = 67,159,569.80 : x - Step 2: Convert to fraction form
203,473,886.60/305,229,492.30 = 67,159,569.80/x - Step 3: Cross multiply
203,473,886.60x = 305,229,492.30 × 67,159,569.80 - Step 4: Simplify right side
203,473,886.60x = 20,499,081,393,140,412 - Step 5: Solve for x
x = 20,499,081,393,140,412/203,473,886.60 - Step 6: Final answer
x = 100,745,514.50
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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.