Finding the Fourth Proportional to 170,560,868.58, 235,373,998.77 and 92,244,421.65
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Solution
The fourth proportional to 170,560,868.58, 235,373,998.77 and 92,244,421.65 is: 127,297,301.95
Step by Step Solution
- Step 1: Write the proportion equation
170,560,868.58 : 235,373,998.77 = 92,244,421.65 : x - Step 2: Convert to fraction form
170,560,868.58/235,373,998.77 = 92,244,421.65/x - Step 3: Cross multiply
170,560,868.58x = 235,373,998.77 × 92,244,421.65 - Step 4: Simplify right side
170,560,868.58x = 21,711,938,387,986,464 - Step 5: Solve for x
x = 21,711,938,387,986,464/170,560,868.58 - Step 6: Final answer
x = 127,297,301.95
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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.