Finding the Fourth Proportional to 106,348,596.21, 146,761,702.56 and 59,308,639.44
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Solution
The fourth proportional to 106,348,596.21, 146,761,702.56 and 59,308,639.44 is: 81,846,279.23
Step by Step Solution
- Step 1: Write the proportion equation
106,348,596.21 : 146,761,702.56 = 59,308,639.44 : x - Step 2: Convert to fraction form
106,348,596.21/146,761,702.56 = 59,308,639.44/x - Step 3: Cross multiply
106,348,596.21x = 146,761,702.56 × 59,308,639.44 - Step 4: Simplify right side
106,348,596.21x = 8,704,236,900,731,565 - Step 5: Solve for x
x = 8,704,236,900,731,565/106,348,596.21 - Step 6: Final answer
x = 81,846,279.23
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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.