Finding the Fourth Proportional to 68,793,327.36, 94,931,945.44 and 37,431,505.44
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Solution
The fourth proportional to 68,793,327.36, 94,931,945.44 and 37,431,505.44 is: 51,653,928.78
Step by Step Solution
- Step 1: Write the proportion equation
68,793,327.36 : 94,931,945.44 = 37,431,505.44 : x - Step 2: Convert to fraction form
68,793,327.36/94,931,945.44 = 37,431,505.44/x - Step 3: Cross multiply
68,793,327.36x = 94,931,945.44 × 37,431,505.44 - Step 4: Simplify right side
68,793,327.36x = 3,553,445,632,167,143 - Step 5: Solve for x
x = 3,553,445,632,167,143/68,793,327.36 - Step 6: Final answer
x = 51,653,928.78
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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.