Finding the Fourth Proportional to 64,157,916.87, 96,244,942.91 and 31,369,581.81
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Solution
The fourth proportional to 64,157,916.87, 96,244,942.91 and 31,369,581.81 is: 47,058,317.31
Step by Step Solution
- Step 1: Write the proportion equation
64,157,916.87 : 96,244,942.91 = 31,369,581.81 : x - Step 2: Convert to fraction form
64,157,916.87/96,244,942.91 = 31,369,581.81/x - Step 3: Cross multiply
64,157,916.87x = 96,244,942.91 × 31,369,581.81 - Step 4: Simplify right side
64,157,916.87x = 3,019,163,610,257,176.50 - Step 5: Solve for x
x = 3,019,163,610,257,176.50/64,157,916.87 - Step 6: Final answer
x = 47,058,317.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.