Finding the Fourth Proportional to 68,485,458.43, 102,726,690.45 and 16,670,334.75
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Solution
The fourth proportional to 68,485,458.43, 102,726,690.45 and 16,670,334.75 is: 25,005,137.69
Step by Step Solution
- Step 1: Write the proportion equation
68,485,458.43 : 102,726,690.45 = 16,670,334.75 : x - Step 2: Convert to fraction form
68,485,458.43/102,726,690.45 = 16,670,334.75/x - Step 3: Cross multiply
68,485,458.43x = 102,726,690.45 × 16,670,334.75 - Step 4: Simplify right side
68,485,458.43x = 1,712,488,317,561,128.25 - Step 5: Solve for x
x = 1,712,488,317,561,128.25/68,485,458.43 - Step 6: Final answer
x = 25,005,137.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.