Finding the Fourth Proportional to 67,724,109.24, 93,457,681.16 and 39,848,624.92
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Solution
The fourth proportional to 67,724,109.24, 93,457,681.16 and 39,848,624.92 is: 54,990,167.08
Step by Step Solution
- Step 1: Write the proportion equation
67,724,109.24 : 93,457,681.16 = 39,848,624.92 : x - Step 2: Convert to fraction form
67,724,109.24/93,457,681.16 = 39,848,624.92/x - Step 3: Cross multiply
67,724,109.24x = 93,457,681.16 × 39,848,624.92 - Step 4: Simplify right side
67,724,109.24x = 3,724,160,082,437,790.50 - Step 5: Solve for x
x = 3,724,160,082,437,790.50/67,724,109.24 - Step 6: Final answer
x = 54,990,167.08
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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.