Finding the Fourth Proportional to 191,780,926.37, 264,729,648.18 and 125,705,680.19
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Solution
The fourth proportional to 191,780,926.37, 264,729,648.18 and 125,705,680.19 is: 173,521,012.33
Step by Step Solution
- Step 1: Write the proportion equation
191,780,926.37 : 264,729,648.18 = 125,705,680.19 : x - Step 2: Convert to fraction form
191,780,926.37/264,729,648.18 = 125,705,680.19/x - Step 3: Cross multiply
191,780,926.37x = 264,729,648.18 × 125,705,680.19 - Step 4: Simplify right side
191,780,926.37x = 33,278,020,488,974,120 - Step 5: Solve for x
x = 33,278,020,488,974,120/191,780,926.37 - Step 6: Final answer
x = 173,521,012.33
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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.