Finding the Fourth Proportional to 131,747,844.84, 181,809,806.19 and 73,010,390.28
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Solution
The fourth proportional to 131,747,844.84, 181,809,806.19 and 73,010,390.28 is: 100,753,108.51
Step by Step Solution
- Step 1: Write the proportion equation
131,747,844.84 : 181,809,806.19 = 73,010,390.28 : x - Step 2: Convert to fraction form
131,747,844.84/181,809,806.19 = 73,010,390.28/x - Step 3: Cross multiply
131,747,844.84x = 181,809,806.19 × 73,010,390.28 - Step 4: Simplify right side
131,747,844.84x = 13,274,004,906,663,060 - Step 5: Solve for x
x = 13,274,004,906,663,060/131,747,844.84 - Step 6: Final answer
x = 100,753,108.51
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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.