Finding the Fourth Proportional to 247,305,709.44, 341,266,356.70 and 135,795,769.62
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Solution
The fourth proportional to 247,305,709.44, 341,266,356.70 and 135,795,769.62 is: 187,389,638.75
Step by Step Solution
- Step 1: Write the proportion equation
247,305,709.44 : 341,266,356.70 = 135,795,769.62 : x - Step 2: Convert to fraction form
247,305,709.44/341,266,356.70 = 135,795,769.62/x - Step 3: Cross multiply
247,305,709.44x = 341,266,356.70 × 135,795,769.62 - Step 4: Simplify right side
247,305,709.44x = 46,342,527,551,870,704 - Step 5: Solve for x
x = 46,342,527,551,870,704/247,305,709.44 - Step 6: Final answer
x = 187,389,638.75
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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.