Finding the Fourth Proportional to 74,472,605.67, 102,729,400 and 46,546,851.18
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Solution
The fourth proportional to 74,472,605.67, 102,729,400 and 46,546,851.18 is: 64,207,906.39
Step by Step Solution
- Step 1: Write the proportion equation
74,472,605.67 : 102,729,400 = 46,546,851.18 : x - Step 2: Convert to fraction form
74,472,605.67/102,729,400 = 46,546,851.18/x - Step 3: Cross multiply
74,472,605.67x = 102,729,400 × 46,546,851.18 - Step 4: Simplify right side
74,472,605.67x = 4,781,730,093,610,692 - Step 5: Solve for x
x = 4,781,730,093,610,692/74,472,605.67 - Step 6: Final answer
x = 64,207,906.39
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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.