Finding the Fourth Proportional to 165,207,725.56, 247,839,820.69 and 68,110,354.79
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Solution
The fourth proportional to 165,207,725.56, 247,839,820.69 and 68,110,354.79 is: 102,177,171.56
Step by Step Solution
- Step 1: Write the proportion equation
165,207,725.56 : 247,839,820.69 = 68,110,354.79 : x - Step 2: Convert to fraction form
165,207,725.56/247,839,820.69 = 68,110,354.79/x - Step 3: Cross multiply
165,207,725.56x = 247,839,820.69 × 68,110,354.79 - Step 4: Simplify right side
165,207,725.56x = 16,880,458,118,456,160 - Step 5: Solve for x
x = 16,880,458,118,456,160/165,207,725.56 - Step 6: Final answer
x = 102,177,171.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.