Finding the Fourth Proportional to 151,563,548.68, 209,109,952.02 and 92,764,916.44
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Solution
The fourth proportional to 151,563,548.68, 209,109,952.02 and 92,764,916.44 is: 127,986,362.12
Step by Step Solution
- Step 1: Write the proportion equation
151,563,548.68 : 209,109,952.02 = 92,764,916.44 : x - Step 2: Convert to fraction form
151,563,548.68/209,109,952.02 = 92,764,916.44/x - Step 3: Cross multiply
151,563,548.68x = 209,109,952.02 × 92,764,916.44 - Step 4: Simplify right side
151,563,548.68x = 19,398,067,225,907,708 - Step 5: Solve for x
x = 19,398,067,225,907,708/151,563,548.68 - Step 6: Final answer
x = 127,986,362.12
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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.