Finding the Fourth Proportional to 112,125,920.20, 168,188,880.30 and 110,614,265.80
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Solution
The fourth proportional to 112,125,920.20, 168,188,880.30 and 110,614,265.80 is: 165,921,398.70
Step by Step Solution
- Step 1: Write the proportion equation
112,125,920.20 : 168,188,880.30 = 110,614,265.80 : x - Step 2: Convert to fraction form
112,125,920.20/168,188,880.30 = 110,614,265.80/x - Step 3: Cross multiply
112,125,920.20x = 168,188,880.30 × 110,614,265.80 - Step 4: Simplify right side
112,125,920.20x = 18,604,089,510,108,584 - Step 5: Solve for x
x = 18,604,089,510,108,584/112,125,920.20 - Step 6: Final answer
x = 165,921,398.70
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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.