Finding the Fourth Proportional to 272,387,384.71, 408,578,384.49 and 124,793,079.08
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Solution
The fourth proportional to 272,387,384.71, 408,578,384.49 and 124,793,079.08 is: 187,188,385.04
Step by Step Solution
- Step 1: Write the proportion equation
272,387,384.71 : 408,578,384.49 = 124,793,079.08 : x - Step 2: Convert to fraction form
272,387,384.71/408,578,384.49 = 124,793,079.08/x - Step 3: Cross multiply
272,387,384.71x = 408,578,384.49 × 124,793,079.08 - Step 4: Simplify right side
272,387,384.71x = 50,987,754,647,548,760 - Step 5: Solve for x
x = 50,987,754,647,548,760/272,387,384.71 - Step 6: Final answer
x = 187,188,385.04
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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.