Finding the Fourth Proportional to 148,958,720.17, 205,591,493 and 98,634,176.44
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Solution
The fourth proportional to 148,958,720.17, 205,591,493 and 98,634,176.44 is: 136,134,007.95
Step by Step Solution
- Step 1: Write the proportion equation
148,958,720.17 : 205,591,493 = 98,634,176.44 : x - Step 2: Convert to fraction form
148,958,720.17/205,591,493 = 98,634,176.44/x - Step 3: Cross multiply
148,958,720.17x = 205,591,493 × 98,634,176.44 - Step 4: Simplify right side
148,958,720.17x = 20,278,347,595,125,024 - Step 5: Solve for x
x = 20,278,347,595,125,024/148,958,720.17 - Step 6: Final answer
x = 136,134,007.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.