Finding the Fourth Proportional to 64,230,880.74, 88,638,391.87 and 34,862,213.21
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Solution
The fourth proportional to 64,230,880.74, 88,638,391.87 and 34,862,213.21 is: 48,109,732.89
Step by Step Solution
- Step 1: Write the proportion equation
64,230,880.74 : 88,638,391.87 = 34,862,213.21 : x - Step 2: Convert to fraction form
64,230,880.74/88,638,391.87 = 34,862,213.21/x - Step 3: Cross multiply
64,230,880.74x = 88,638,391.87 × 34,862,213.21 - Step 4: Simplify right side
64,230,880.74x = 3,090,130,515,433,123 - Step 5: Solve for x
x = 3,090,130,515,433,123/64,230,880.74 - Step 6: Final answer
x = 48,109,732.89
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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.