Finding the Fourth Proportional to 203,068,641.69, 280,497,596.29 and 167,928,387.99
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Solution
The fourth proportional to 203,068,641.69, 280,497,596.29 and 167,928,387.99 is: 231,958,557.40
Step by Step Solution
- Step 1: Write the proportion equation
203,068,641.69 : 280,497,596.29 = 167,928,387.99 : x - Step 2: Convert to fraction form
203,068,641.69/280,497,596.29 = 167,928,387.99/x - Step 3: Cross multiply
203,068,641.69x = 280,497,596.29 × 167,928,387.99 - Step 4: Simplify right side
203,068,641.69x = 47,103,509,179,209,872 - Step 5: Solve for x
x = 47,103,509,179,209,872/203,068,641.69 - Step 6: Final answer
x = 231,958,557.40
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.