Finding the Fourth Proportional to 273,828,576.09, 377,841,640.71 and 154,707,703.84
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Solution
The fourth proportional to 273,828,576.09, 377,841,640.71 and 154,707,703.84 is: 213,473,018.35
Step by Step Solution
- Step 1: Write the proportion equation
273,828,576.09 : 377,841,640.71 = 154,707,703.84 : x - Step 2: Convert to fraction form
273,828,576.09/377,841,640.71 = 154,707,703.84/x - Step 3: Cross multiply
273,828,576.09x = 377,841,640.71 × 154,707,703.84 - Step 4: Simplify right side
273,828,576.09x = 58,455,012,649,382,368 - Step 5: Solve for x
x = 58,455,012,649,382,368/273,828,576.09 - Step 6: Final answer
x = 213,473,018.35
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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.