Finding the Fourth Proportional to 112,541,818.84, 155,304,374.37 and 62,308,276.24
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Solution
The fourth proportional to 112,541,818.84, 155,304,374.37 and 62,308,276.24 is: 85,983,574.45
Step by Step Solution
- Step 1: Write the proportion equation
112,541,818.84 : 155,304,374.37 = 62,308,276.24 : x - Step 2: Convert to fraction form
112,541,818.84/155,304,374.37 = 62,308,276.24/x - Step 3: Cross multiply
112,541,818.84x = 155,304,374.37 × 62,308,276.24 - Step 4: Simplify right side
112,541,818.84x = 9,676,747,859,526,336 - Step 5: Solve for x
x = 9,676,747,859,526,336/112,541,818.84 - Step 6: Final answer
x = 85,983,574.45
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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.