Finding the Fourth Proportional to 91,506,122.66, 126,231,756.28 and 58,431,596.78
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Solution
The fourth proportional to 91,506,122.66, 126,231,756.28 and 58,431,596.78 is: 80,605,787.56
Step by Step Solution
- Step 1: Write the proportion equation
91,506,122.66 : 126,231,756.28 = 58,431,596.78 : x - Step 2: Convert to fraction form
91,506,122.66/126,231,756.28 = 58,431,596.78/x - Step 3: Cross multiply
91,506,122.66x = 126,231,756.28 × 58,431,596.78 - Step 4: Simplify right side
91,506,122.66x = 7,375,923,083,953,693 - Step 5: Solve for x
x = 7,375,923,083,953,693/91,506,122.66 - Step 6: Final answer
x = 80,605,787.56
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.