Finding the Fourth Proportional to 237,246,408.20, 355,923,274 and 128,069,236.02
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Solution
The fourth proportional to 237,246,408.20, 355,923,274 and 128,069,236.02 is: 192,132,821.44
Step by Step Solution
- Step 1: Write the proportion equation
237,246,408.20 : 355,923,274 = 128,069,236.02 : x - Step 2: Convert to fraction form
237,246,408.20/355,923,274 = 128,069,236.02/x - Step 3: Cross multiply
237,246,408.20x = 355,923,274 × 128,069,236.02 - Step 4: Simplify right side
237,246,408.20x = 45,582,821,782,917,128 - Step 5: Solve for x
x = 45,582,821,782,917,128/237,246,408.20 - Step 6: Final answer
x = 192,132,821.44
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.