Finding the Fourth Proportional to 76,957,045.12, 106,202,441.40 and 43,916,636.56
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Solution
The fourth proportional to 76,957,045.12, 106,202,441.40 and 43,916,636.56 is: 60,605,939.50
Step by Step Solution
- Step 1: Write the proportion equation
76,957,045.12 : 106,202,441.40 = 43,916,636.56 : x - Step 2: Convert to fraction form
76,957,045.12/106,202,441.40 = 43,916,636.56/x - Step 3: Cross multiply
76,957,045.12x = 106,202,441.40 × 43,916,636.56 - Step 4: Simplify right side
76,957,045.12x = 4,664,054,020,748,498 - Step 5: Solve for x
x = 4,664,054,020,748,498/76,957,045.12 - Step 6: Final answer
x = 60,605,939.50
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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.