Finding the Fourth Proportional to 57,589,936.83, 79,474,393.71 and 31,484,455.92
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Solution
The fourth proportional to 57,589,936.83, 79,474,393.71 and 31,484,455.92 is: 43,448,702.73
Step by Step Solution
- Step 1: Write the proportion equation
57,589,936.83 : 79,474,393.71 = 31,484,455.92 : x - Step 2: Convert to fraction form
57,589,936.83/79,474,393.71 = 31,484,455.92/x - Step 3: Cross multiply
57,589,936.83x = 79,474,393.71 × 31,484,455.92 - Step 4: Simplify right side
57,589,936.83x = 2,502,208,045,531,220 - Step 5: Solve for x
x = 2,502,208,045,531,220/57,589,936.83 - Step 6: Final answer
x = 43,448,702.73
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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.