Finding the Fourth Proportional to 173,844,180.34, 239,665,249.35 and 138,681,331.29
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Solution
The fourth proportional to 173,844,180.34, 239,665,249.35 and 138,681,331.29 is: 191,189,004.88
Step by Step Solution
- Step 1: Write the proportion equation
173,844,180.34 : 239,665,249.35 = 138,681,331.29 : x - Step 2: Convert to fraction form
173,844,180.34/239,665,249.35 = 138,681,331.29/x - Step 3: Cross multiply
173,844,180.34x = 239,665,249.35 × 138,681,331.29 - Step 4: Simplify right side
173,844,180.34x = 33,237,095,843,807,804 - Step 5: Solve for x
x = 33,237,095,843,807,804/173,844,180.34 - Step 6: Final answer
x = 191,189,004.88
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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.