Finding the Fourth Proportional to 135,705,475.47, 203,524,582.95 and 38,662,023.80
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Solution
The fourth proportional to 135,705,475.47, 203,524,582.95 and 38,662,023.80 is: 57,983,454.55
Step by Step Solution
- Step 1: Write the proportion equation
135,705,475.47 : 203,524,582.95 = 38,662,023.80 : x - Step 2: Convert to fraction form
135,705,475.47/203,524,582.95 = 38,662,023.80/x - Step 3: Cross multiply
135,705,475.47x = 203,524,582.95 × 38,662,023.80 - Step 4: Simplify right side
135,705,475.47x = 7,868,672,268,687,041 - Step 5: Solve for x
x = 7,868,672,268,687,041/135,705,475.47 - Step 6: Final answer
x = 57,983,454.55
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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.