Finding the Fourth Proportional to 75,620,801.80, 113,431,202.70 and 37,300,673.80
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Solution
The fourth proportional to 75,620,801.80, 113,431,202.70 and 37,300,673.80 is: 55,951,010.70
Step by Step Solution
- Step 1: Write the proportion equation
75,620,801.80 : 113,431,202.70 = 37,300,673.80 : x - Step 2: Convert to fraction form
75,620,801.80/113,431,202.70 = 37,300,673.80/x - Step 3: Cross multiply
75,620,801.80x = 113,431,202.70 × 37,300,673.80 - Step 4: Simplify right side
75,620,801.80x = 4,231,060,290,654,379 - Step 5: Solve for x
x = 4,231,060,290,654,379/75,620,801.80 - Step 6: Final answer
x = 55,951,010.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.