Finding the Fourth Proportional to 198,922,248.36, 272,524,452.44 and 191,466,697.50
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Solution
The fourth proportional to 198,922,248.36, 272,524,452.44 and 191,466,697.50 is: 262,310,311.32
Step by Step Solution
- Step 1: Write the proportion equation
198,922,248.36 : 272,524,452.44 = 191,466,697.50 : x - Step 2: Convert to fraction form
198,922,248.36/272,524,452.44 = 191,466,697.50/x - Step 3: Cross multiply
198,922,248.36x = 272,524,452.44 × 191,466,697.50 - Step 4: Simplify right side
198,922,248.36x = 52,179,356,895,725,280 - Step 5: Solve for x
x = 52,179,356,895,725,280/198,922,248.36 - Step 6: Final answer
x = 262,310,311.32
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.