Finding the Fourth Proportional to 293,787,289.80, 440,680,934.70 and 132,544,153.80
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Solution
The fourth proportional to 293,787,289.80, 440,680,934.70 and 132,544,153.80 is: 198,816,230.70
Step by Step Solution
- Step 1: Write the proportion equation
293,787,289.80 : 440,680,934.70 = 132,544,153.80 : x - Step 2: Convert to fraction form
293,787,289.80/440,680,934.70 = 132,544,153.80/x - Step 3: Cross multiply
293,787,289.80x = 440,680,934.70 × 132,544,153.80 - Step 4: Simplify right side
293,787,289.80x = 58,409,681,585,604,552 - Step 5: Solve for x
x = 58,409,681,585,604,552/293,787,289.80 - Step 6: Final answer
x = 198,816,230.70
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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.