Finding the Fourth Proportional to 57,227,806.14, 78,973,629.66 and 31,121,768.17
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Solution
The fourth proportional to 57,227,806.14, 78,973,629.66 and 31,121,768.17 is: 42,947,636.12
Step by Step Solution
- Step 1: Write the proportion equation
57,227,806.14 : 78,973,629.66 = 31,121,768.17 : x - Step 2: Convert to fraction form
57,227,806.14/78,973,629.66 = 31,121,768.17/x - Step 3: Cross multiply
57,227,806.14x = 78,973,629.66 × 31,121,768.17 - Step 4: Simplify right side
57,227,806.14x = 2,457,798,993,920,673 - Step 5: Solve for x
x = 2,457,798,993,920,673/57,227,806.14 - Step 6: Final answer
x = 42,947,636.12
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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.