Finding the Fourth Proportional to 173,844,177.81, 239,665,245.86 and 138,681,328.76
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Solution
The fourth proportional to 173,844,177.81, 239,665,245.86 and 138,681,328.76 is: 191,189,001.39
Step by Step Solution
- Step 1: Write the proportion equation
173,844,177.81 : 239,665,245.86 = 138,681,328.76 : x - Step 2: Convert to fraction form
173,844,177.81/239,665,245.86 = 138,681,328.76/x - Step 3: Cross multiply
173,844,177.81x = 239,665,245.86 × 138,681,328.76 - Step 4: Simplify right side
173,844,177.81x = 33,237,094,753,456,888 - Step 5: Solve for x
x = 33,237,094,753,456,888/173,844,177.81 - Step 6: Final answer
x = 191,189,001.39
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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.