Finding the Fourth Proportional to 169,031,134.76, 233,481,777.97 and 139,780,622.12
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Solution
The fourth proportional to 169,031,134.76, 233,481,777.97 and 139,780,622.12 is: 193,078,205.53
Step by Step Solution
- Step 1: Write the proportion equation
169,031,134.76 : 233,481,777.97 = 139,780,622.12 : x - Step 2: Convert to fraction form
169,031,134.76/233,481,777.97 = 139,780,622.12/x - Step 3: Cross multiply
169,031,134.76x = 233,481,777.97 × 139,780,622.12 - Step 4: Simplify right side
169,031,134.76x = 32,636,228,178,330,312 - Step 5: Solve for x
x = 32,636,228,178,330,312/169,031,134.76 - Step 6: Final answer
x = 193,078,205.53
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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.