Finding the Fourth Proportional to 361,163,138.80, 541,744,708.20 and 88,533,905.80
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Solution
The fourth proportional to 361,163,138.80, 541,744,708.20 and 88,533,905.80 is: 132,800,858.70
Step by Step Solution
- Step 1: Write the proportion equation
361,163,138.80 : 541,744,708.20 = 88,533,905.80 : x - Step 2: Convert to fraction form
361,163,138.80/541,744,708.20 = 88,533,905.80/x - Step 3: Cross multiply
361,163,138.80x = 541,744,708.20 × 88,533,905.80 - Step 4: Simplify right side
361,163,138.80x = 47,962,774,963,427,288 - Step 5: Solve for x
x = 47,962,774,963,427,288/361,163,138.80 - Step 6: Final answer
x = 132,800,858.70
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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.