Finding the Fourth Proportional to 76,153,173.12, 114,275,145.60 and 27,634,812.48
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Solution
The fourth proportional to 76,153,173.12, 114,275,145.60 and 27,634,812.48 is: 41,468,688.57
Step by Step Solution
- Step 1: Write the proportion equation
76,153,173.12 : 114,275,145.60 = 27,634,812.48 : x - Step 2: Convert to fraction form
76,153,173.12/114,275,145.60 = 27,634,812.48/x - Step 3: Cross multiply
76,153,173.12x = 114,275,145.60 × 27,634,812.48 - Step 4: Simplify right side
76,153,173.12x = 3,157,972,219,780,697 - Step 5: Solve for x
x = 3,157,972,219,780,697/76,153,173.12 - Step 6: Final answer
x = 41,468,688.57
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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.