Finding the Fourth Proportional to 146,497,315.70, 202,165,497.50 and 80,418,938.20
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Solution
The fourth proportional to 146,497,315.70, 202,165,497.50 and 80,418,938.20 is: 110,977,696.56
Step by Step Solution
- Step 1: Write the proportion equation
146,497,315.70 : 202,165,497.50 = 80,418,938.20 : x - Step 2: Convert to fraction form
146,497,315.70/202,165,497.50 = 80,418,938.20/x - Step 3: Cross multiply
146,497,315.70x = 202,165,497.50 × 80,418,938.20 - Step 4: Simplify right side
146,497,315.70x = 16,257,934,648,717,248 - Step 5: Solve for x
x = 16,257,934,648,717,248/146,497,315.70 - Step 6: Final answer
x = 110,977,696.56
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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.