Finding the Fourth Proportional to 541,396,051.20, 812,094,076.80 and 132,452,201.70
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Solution
The fourth proportional to 541,396,051.20, 812,094,076.80 and 132,452,201.70 is: 198,678,302.55
Step by Step Solution
- Step 1: Write the proportion equation
541,396,051.20 : 812,094,076.80 = 132,452,201.70 : x - Step 2: Convert to fraction form
541,396,051.20/812,094,076.80 = 132,452,201.70/x - Step 3: Cross multiply
541,396,051.20x = 812,094,076.80 × 132,452,201.70 - Step 4: Simplify right side
541,396,051.20x = 107,563,648,459,688,880 - Step 5: Solve for x
x = 107,563,648,459,688,880/541,396,051.20 - Step 6: Final answer
x = 198,678,302.55
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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.