Finding the Fourth Proportional to 92,301,968.36, 127,415,936.70 and 57,511,847.90
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Solution
The fourth proportional to 92,301,968.36, 127,415,936.70 and 57,511,847.90 is: 79,390,787.67
Step by Step Solution
- Step 1: Write the proportion equation
92,301,968.36 : 127,415,936.70 = 57,511,847.90 : x - Step 2: Convert to fraction form
92,301,968.36/127,415,936.70 = 57,511,847.90/x - Step 3: Cross multiply
92,301,968.36x = 127,415,936.70 × 57,511,847.90 - Step 4: Simplify right side
92,301,968.36x = 7,327,925,970,889,349 - Step 5: Solve for x
x = 7,327,925,970,889,349/92,301,968.36 - Step 6: Final answer
x = 79,390,787.67
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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.