Finding the Fourth Proportional to 97,571,639.70, 134,807,020.74 and 83,040,861.78
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Solution
The fourth proportional to 97,571,639.70, 134,807,020.74 and 83,040,861.78 is: 114,730,993.66
Step by Step Solution
- Step 1: Write the proportion equation
97,571,639.70 : 134,807,020.74 = 83,040,861.78 : x - Step 2: Convert to fraction form
97,571,639.70/134,807,020.74 = 83,040,861.78/x - Step 3: Cross multiply
97,571,639.70x = 134,807,020.74 × 83,040,861.78 - Step 4: Simplify right side
97,571,639.70x = 11,194,491,176,243,934 - Step 5: Solve for x
x = 11,194,491,176,243,934/97,571,639.70 - Step 6: Final answer
x = 114,730,993.66
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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.