Finding the Fourth Proportional to 175,541,884.58, 242,410,638.18 and 131,412,270.53
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Solution
The fourth proportional to 175,541,884.58, 242,410,638.18 and 131,412,270.53 is: 181,470,834.95
Step by Step Solution
- Step 1: Write the proportion equation
175,541,884.58 : 242,410,638.18 = 131,412,270.53 : x - Step 2: Convert to fraction form
175,541,884.58/242,410,638.18 = 131,412,270.53/x - Step 3: Cross multiply
175,541,884.58x = 242,410,638.18 × 131,412,270.53 - Step 4: Simplify right side
175,541,884.58x = 31,855,732,363,860,108 - Step 5: Solve for x
x = 31,855,732,363,860,108/175,541,884.58 - Step 6: Final answer
x = 181,470,834.95
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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.