Finding the Fourth Proportional to 170,669,398.11, 235,524,178.80 and 92,353,791.98
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Solution
The fourth proportional to 170,669,398.11, 235,524,178.80 and 92,353,791.98 is: 127,448,454.47
Step by Step Solution
- Step 1: Write the proportion equation
170,669,398.11 : 235,524,178.80 = 92,353,791.98 : x - Step 2: Convert to fraction form
170,669,398.11/235,524,178.80 = 92,353,791.98/x - Step 3: Cross multiply
170,669,398.11x = 235,524,178.80 × 92,353,791.98 - Step 4: Simplify right side
170,669,398.11x = 21,751,551,013,977,904 - Step 5: Solve for x
x = 21,751,551,013,977,904/170,669,398.11 - Step 6: Final answer
x = 127,448,454.47
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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.