Finding the Fourth Proportional to 197,732,144.30, 296,390,594.40 and 66,528,872.66
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Solution
The fourth proportional to 197,732,144.30, 296,390,594.40 and 66,528,872.66 is: 99,723,452.56
Step by Step Solution
- Step 1: Write the proportion equation
197,732,144.30 : 296,390,594.40 = 66,528,872.66 : x - Step 2: Convert to fraction form
197,732,144.30/296,390,594.40 = 66,528,872.66/x - Step 3: Cross multiply
197,732,144.30x = 296,390,594.40 × 66,528,872.66 - Step 4: Simplify right side
197,732,144.30x = 19,718,532,110,977,356 - Step 5: Solve for x
x = 19,718,532,110,977,356/197,732,144.30 - Step 6: Final answer
x = 99,723,452.56
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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.