Finding the Fourth Proportional to 178,977,801.97, 246,981,203.08 and 99,596,787.85
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Solution
The fourth proportional to 178,977,801.97, 246,981,203.08 and 99,596,787.85 is: 137,439,024.37
Step by Step Solution
- Step 1: Write the proportion equation
178,977,801.97 : 246,981,203.08 = 99,596,787.85 : x - Step 2: Convert to fraction form
178,977,801.97/246,981,203.08 = 99,596,787.85/x - Step 3: Cross multiply
178,977,801.97x = 246,981,203.08 × 99,596,787.85 - Step 4: Simplify right side
178,977,801.97x = 24,598,534,486,096,528 - Step 5: Solve for x
x = 24,598,534,486,096,528/178,977,801.97 - Step 6: Final answer
x = 137,439,024.37
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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.