Finding the Fourth Proportional to 212,007,497.28, 317,784,493.44 and 96,819,432
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Solution
The fourth proportional to 212,007,497.28, 317,784,493.44 and 96,819,432 is: 145,125,594.84
Step by Step Solution
- Step 1: Write the proportion equation
212,007,497.28 : 317,784,493.44 = 96,819,432 : x - Step 2: Convert to fraction form
212,007,497.28/317,784,493.44 = 96,819,432/x - Step 3: Cross multiply
212,007,497.28x = 317,784,493.44 × 96,819,432 - Step 4: Simplify right side
212,007,497.28x = 30,767,714,153,268,524 - Step 5: Solve for x
x = 30,767,714,153,268,524/212,007,497.28 - Step 6: Final answer
x = 145,125,594.84
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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.