Finding the Fourth Proportional to 135,427,389.72, 202,796,231.92 and 89,229,199.04
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Solution
The fourth proportional to 135,427,389.72, 202,796,231.92 and 89,229,199.04 is: 133,616,585.09
Step by Step Solution
- Step 1: Write the proportion equation
135,427,389.72 : 202,796,231.92 = 89,229,199.04 : x - Step 2: Convert to fraction form
135,427,389.72/202,796,231.92 = 89,229,199.04/x - Step 3: Cross multiply
135,427,389.72x = 202,796,231.92 × 89,229,199.04 - Step 4: Simplify right side
135,427,389.72x = 18,095,345,342,551,680 - Step 5: Solve for x
x = 18,095,345,342,551,680/135,427,389.72 - Step 6: Final answer
x = 133,616,585.09
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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.