Finding the Fourth Proportional to 197,883,177.62, 273,079,106.87 and 109,777,177.42
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Solution
The fourth proportional to 197,883,177.62, 273,079,106.87 and 109,777,177.42 is: 151,492,683.33
Step by Step Solution
- Step 1: Write the proportion equation
197,883,177.62 : 273,079,106.87 = 109,777,177.42 : x - Step 2: Convert to fraction form
197,883,177.62/273,079,106.87 = 109,777,177.42/x - Step 3: Cross multiply
197,883,177.62x = 273,079,106.87 × 109,777,177.42 - Step 4: Simplify right side
197,883,177.62x = 29,977,853,563,331,548 - Step 5: Solve for x
x = 29,977,853,563,331,548/197,883,177.62 - Step 6: Final answer
x = 151,492,683.33
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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.