Finding the Fourth Proportional to 106,700,679.68, 147,192,763.20 and 67,476,396.80
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Solution
The fourth proportional to 106,700,679.68, 147,192,763.20 and 67,476,396.80 is: 93,083,168.03
Step by Step Solution
- Step 1: Write the proportion equation
106,700,679.68 : 147,192,763.20 = 67,476,396.80 : x - Step 2: Convert to fraction form
106,700,679.68/147,192,763.20 = 67,476,396.80/x - Step 3: Cross multiply
106,700,679.68x = 147,192,763.20 × 67,476,396.80 - Step 4: Simplify right side
106,700,679.68x = 9,932,037,295,771,636 - Step 5: Solve for x
x = 9,932,037,295,771,636/106,700,679.68 - Step 6: Final answer
x = 93,083,168.03
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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.