Finding the Fourth Proportional to 120,384,818.10, 166,141,294.97 and 68,183,140.14
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Solution
The fourth proportional to 120,384,818.10, 166,141,294.97 and 68,183,140.14 is: 94,098,536.48
Step by Step Solution
- Step 1: Write the proportion equation
120,384,818.10 : 166,141,294.97 = 68,183,140.14 : x - Step 2: Convert to fraction form
120,384,818.10/166,141,294.97 = 68,183,140.14/x - Step 3: Cross multiply
120,384,818.10x = 166,141,294.97 × 68,183,140.14 - Step 4: Simplify right side
120,384,818.10x = 11,328,035,197,639,672 - Step 5: Solve for x
x = 11,328,035,197,639,672/120,384,818.10 - Step 6: Final answer
x = 94,098,536.48
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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.