Finding the Fourth Proportional to 223,415,645.30, 335,123,467.95 and 207,291,331.70
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Solution
The fourth proportional to 223,415,645.30, 335,123,467.95 and 207,291,331.70 is: 310,936,997.55
Step by Step Solution
- Step 1: Write the proportion equation
223,415,645.30 : 335,123,467.95 = 207,291,331.70 : x - Step 2: Convert to fraction form
223,415,645.30/335,123,467.95 = 207,291,331.70/x - Step 3: Cross multiply
223,415,645.30x = 335,123,467.95 × 207,291,331.70 - Step 4: Simplify right side
223,415,645.30x = 69,468,189,955,277,760 - Step 5: Solve for x
x = 69,468,189,955,277,760/223,415,645.30 - Step 6: Final answer
x = 310,936,997.55
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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.