Finding the Fourth Proportional to 68,482,497.21, 94,505,837.99 and 37,542,885.09
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Solution
The fourth proportional to 68,482,497.21, 94,505,837.99 and 37,542,885.09 is: 51,809,176.95
Step by Step Solution
- Step 1: Write the proportion equation
68,482,497.21 : 94,505,837.99 = 37,542,885.09 : x - Step 2: Convert to fraction form
68,482,497.21/94,505,837.99 = 37,542,885.09/x - Step 3: Cross multiply
68,482,497.21x = 94,505,837.99 × 37,542,885.09 - Step 4: Simplify right side
68,482,497.21x = 3,548,021,815,992,726.50 - Step 5: Solve for x
x = 3,548,021,815,992,726.50/68,482,497.21 - Step 6: Final answer
x = 51,809,176.95
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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.