Finding the Fourth Proportional to 121,343,612.20, 182,015,418.30 and 44,721,629.80
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Solution
The fourth proportional to 121,343,612.20, 182,015,418.30 and 44,721,629.80 is: 67,082,444.70
Step by Step Solution
- Step 1: Write the proportion equation
121,343,612.20 : 182,015,418.30 = 44,721,629.80 : x - Step 2: Convert to fraction form
121,343,612.20/182,015,418.30 = 44,721,629.80/x - Step 3: Cross multiply
121,343,612.20x = 182,015,418.30 × 44,721,629.80 - Step 4: Simplify right side
121,343,612.20x = 8,140,026,155,104,745 - Step 5: Solve for x
x = 8,140,026,155,104,745/121,343,612.20 - Step 6: Final answer
x = 67,082,444.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.