Finding the Fourth Proportional to 212,593,170.24, 293,378,578.56 and 114,808,026.24
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Solution
The fourth proportional to 212,593,170.24, 293,378,578.56 and 114,808,026.24 is: 158,435,078.17
Step by Step Solution
- Step 1: Write the proportion equation
212,593,170.24 : 293,378,578.56 = 114,808,026.24 : x - Step 2: Convert to fraction form
212,593,170.24/293,378,578.56 = 114,808,026.24/x - Step 3: Cross multiply
212,593,170.24x = 293,378,578.56 × 114,808,026.24 - Step 4: Simplify right side
212,593,170.24x = 33,682,215,545,570,380 - Step 5: Solve for x
x = 33,682,215,545,570,380/212,593,170.24 - Step 6: Final answer
x = 158,435,078.17
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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.