Finding the Fourth Proportional to 45,543,497.98, 62,877,362.96 and 28,163,146.54
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Solution
The fourth proportional to 45,543,497.98, 62,877,362.96 and 28,163,146.54 is: 38,882,046.08
Step by Step Solution
- Step 1: Write the proportion equation
45,543,497.98 : 62,877,362.96 = 28,163,146.54 : x - Step 2: Convert to fraction form
45,543,497.98/62,877,362.96 = 28,163,146.54/x - Step 3: Cross multiply
45,543,497.98x = 62,877,362.96 × 28,163,146.54 - Step 4: Simplify right side
45,543,497.98x = 1,770,824,387,091,248.25 - Step 5: Solve for x
x = 1,770,824,387,091,248.25/45,543,497.98 - Step 6: Final answer
x = 38,882,046.08
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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.