Finding the Fourth Proportional to 175,541,883.58, 242,410,636.80 and 131,412,269.53
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Solution
The fourth proportional to 175,541,883.58, 242,410,636.80 and 131,412,269.53 is: 181,470,833.57
Step by Step Solution
- Step 1: Write the proportion equation
175,541,883.58 : 242,410,636.80 = 131,412,269.53 : x - Step 2: Convert to fraction form
175,541,883.58/242,410,636.80 = 131,412,269.53/x - Step 3: Cross multiply
175,541,883.58x = 242,410,636.80 × 131,412,269.53 - Step 4: Simplify right side
175,541,883.58x = 31,855,731,938,231,420 - Step 5: Solve for x
x = 31,855,731,938,231,420/175,541,883.58 - Step 6: Final answer
x = 181,470,833.57
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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.