Finding the Fourth Proportional to 296,544,081.80, 444,816,122.70 and 78,194,001.80
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Solution
The fourth proportional to 296,544,081.80, 444,816,122.70 and 78,194,001.80 is: 117,291,002.70
Step by Step Solution
- Step 1: Write the proportion equation
296,544,081.80 : 444,816,122.70 = 78,194,001.80 : x - Step 2: Convert to fraction form
296,544,081.80/444,816,122.70 = 78,194,001.80/x - Step 3: Cross multiply
296,544,081.80x = 444,816,122.70 × 78,194,001.80 - Step 4: Simplify right side
296,544,081.80x = 34,781,952,699,072,820 - Step 5: Solve for x
x = 34,781,952,699,072,820/296,544,081.80 - Step 6: Final answer
x = 117,291,002.70
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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.