Finding the Fourth Proportional to 121,471,774.20, 182,234,233.35 and 39,576,716.10
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Solution
The fourth proportional to 121,471,774.20, 182,234,233.35 and 39,576,716.10 is: 59,373,731.59
Step by Step Solution
- Step 1: Write the proportion equation
121,471,774.20 : 182,234,233.35 = 39,576,716.10 : x - Step 2: Convert to fraction form
121,471,774.20/182,234,233.35 = 39,576,716.10/x - Step 3: Cross multiply
121,471,774.20x = 182,234,233.35 × 39,576,716.10 - Step 4: Simplify right side
121,471,774.20x = 7,212,232,516,994,102 - Step 5: Solve for x
x = 7,212,232,516,994,102/121,471,774.20 - Step 6: Final answer
x = 59,373,731.59
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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.