Finding the Fourth Proportional to 175,541,883.08, 242,410,636.10 and 131,412,269.03
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Solution
The fourth proportional to 175,541,883.08, 242,410,636.10 and 131,412,269.03 is: 181,470,832.87
Step by Step Solution
- Step 1: Write the proportion equation
175,541,883.08 : 242,410,636.10 = 131,412,269.03 : x - Step 2: Convert to fraction form
175,541,883.08/242,410,636.10 = 131,412,269.03/x - Step 3: Cross multiply
175,541,883.08x = 242,410,636.10 × 131,412,269.03 - Step 4: Simplify right side
175,541,883.08x = 31,855,731,726,023,108 - Step 5: Solve for x
x = 31,855,731,726,023,108/175,541,883.08 - Step 6: Final answer
x = 181,470,832.87
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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.