Finding the Fourth Proportional to 117,622,358.20, 176,433,537.30 and 112,331,567.80
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Solution
The fourth proportional to 117,622,358.20, 176,433,537.30 and 112,331,567.80 is: 168,497,351.70
Step by Step Solution
- Step 1: Write the proportion equation
117,622,358.20 : 176,433,537.30 = 112,331,567.80 : x - Step 2: Convert to fraction form
117,622,358.20/176,433,537.30 = 112,331,567.80/x - Step 3: Cross multiply
117,622,358.20x = 176,433,537.30 × 112,331,567.80 - Step 4: Simplify right side
117,622,358.20x = 19,819,055,857,408,780 - Step 5: Solve for x
x = 19,819,055,857,408,780/117,622,358.20 - Step 6: Final answer
x = 168,497,351.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.