Finding the Fourth Proportional to 75,630,923.04, 113,474,975.76 and 29,605,685.32
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Solution
The fourth proportional to 75,630,923.04, 113,474,975.76 and 29,605,685.32 is: 44,419,719.99
Step by Step Solution
- Step 1: Write the proportion equation
75,630,923.04 : 113,474,975.76 = 29,605,685.32 : x - Step 2: Convert to fraction form
75,630,923.04/113,474,975.76 = 29,605,685.32/x - Step 3: Cross multiply
75,630,923.04x = 113,474,975.76 × 29,605,685.32 - Step 4: Simplify right side
75,630,923.04x = 3,359,504,424,045,188 - Step 5: Solve for x
x = 3,359,504,424,045,188/75,630,923.04 - Step 6: Final answer
x = 44,419,719.99
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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.