Finding the Fourth Proportional to 108,482,174.49, 149,707,372.98 and 61,449,013.28
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Solution
The fourth proportional to 108,482,174.49, 149,707,372.98 and 61,449,013.28 is: 84,800,755.46
Step by Step Solution
- Step 1: Write the proportion equation
108,482,174.49 : 149,707,372.98 = 61,449,013.28 : x - Step 2: Convert to fraction form
108,482,174.49/149,707,372.98 = 61,449,013.28/x - Step 3: Cross multiply
108,482,174.49x = 149,707,372.98 × 61,449,013.28 - Step 4: Simplify right side
108,482,174.49x = 9,199,370,350,966,634 - Step 5: Solve for x
x = 9,199,370,350,966,634/108,482,174.49 - Step 6: Final answer
x = 84,800,755.46
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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.