Finding the Fourth Proportional to 74,861,991.68, 112,296,455.60 and 23,048,915.12
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Solution
The fourth proportional to 74,861,991.68, 112,296,455.60 and 23,048,915.12 is: 34,574,440.45
Step by Step Solution
- Step 1: Write the proportion equation
74,861,991.68 : 112,296,455.60 = 23,048,915.12 : x - Step 2: Convert to fraction form
74,861,991.68/112,296,455.60 = 23,048,915.12/x - Step 3: Cross multiply
74,861,991.68x = 112,296,455.60 × 23,048,915.12 - Step 4: Simplify right side
74,861,991.68x = 2,588,311,473,401,248.50 - Step 5: Solve for x
x = 2,588,311,473,401,248.50/74,861,991.68 - Step 6: Final answer
x = 34,574,440.45
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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.