Finding the Fourth Proportional to 207,263,538.62, 311,002,905.59 and 84,531,897.98
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Solution
The fourth proportional to 207,263,538.62, 311,002,905.59 and 84,531,897.98 is: 126,841,730.39
Step by Step Solution
- Step 1: Write the proportion equation
207,263,538.62 : 311,002,905.59 = 84,531,897.98 : x - Step 2: Convert to fraction form
207,263,538.62/311,002,905.59 = 84,531,897.98/x - Step 3: Cross multiply
207,263,538.62x = 311,002,905.59 × 84,531,897.98 - Step 4: Simplify right side
207,263,538.62x = 26,289,665,884,839,776 - Step 5: Solve for x
x = 26,289,665,884,839,776/207,263,538.62 - Step 6: Final answer
x = 126,841,730.39
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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.