Finding the Fourth Proportional to 76,974,318.88, 106,223,713.81 and 41,691,246.26
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Solution
The fourth proportional to 76,974,318.88, 106,223,713.81 and 41,691,246.26 is: 57,533,461.49
Step by Step Solution
- Step 1: Write the proportion equation
76,974,318.88 : 106,223,713.81 = 41,691,246.26 : x - Step 2: Convert to fraction form
76,974,318.88/106,223,713.81 = 41,691,246.26/x - Step 3: Cross multiply
76,974,318.88x = 106,223,713.81 × 41,691,246.26 - Step 4: Simplify right side
76,974,318.88x = 4,428,599,011,000,244.50 - Step 5: Solve for x
x = 4,428,599,011,000,244.50/76,974,318.88 - Step 6: Final answer
x = 57,533,461.49
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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.