Finding the Fourth Proportional to 149,743,635.20, 224,615,452.80 and 142,185,363.20
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Solution
The fourth proportional to 149,743,635.20, 224,615,452.80 and 142,185,363.20 is: 213,278,044.80
Step by Step Solution
- Step 1: Write the proportion equation
149,743,635.20 : 224,615,452.80 = 142,185,363.20 : x - Step 2: Convert to fraction form
149,743,635.20/224,615,452.80 = 142,185,363.20/x - Step 3: Cross multiply
149,743,635.20x = 224,615,452.80 × 142,185,363.20 - Step 4: Simplify right side
149,743,635.20x = 31,937,029,736,700,456 - Step 5: Solve for x
x = 31,937,029,736,700,456/149,743,635.20 - Step 6: Final answer
x = 213,278,044.80
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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.