Finding the Fourth Proportional to 67,724,124.03, 93,457,701.51 and 39,848,639.75
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Solution
The fourth proportional to 67,724,124.03, 93,457,701.51 and 39,848,639.75 is: 54,990,187.51
Step by Step Solution
- Step 1: Write the proportion equation
67,724,124.03 : 93,457,701.51 = 39,848,639.75 : x - Step 2: Convert to fraction form
67,724,124.03/93,457,701.51 = 39,848,639.75/x - Step 3: Cross multiply
67,724,124.03x = 93,457,701.51 × 39,848,639.75 - Step 4: Simplify right side
67,724,124.03x = 3,724,162,279,335,021 - Step 5: Solve for x
x = 3,724,162,279,335,021/67,724,124.03 - Step 6: Final answer
x = 54,990,187.51
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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.