Finding the Fourth Proportional to 71,569,657.90, 107,354,486.85 and 33,218,425.90
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Solution
The fourth proportional to 71,569,657.90, 107,354,486.85 and 33,218,425.90 is: 49,827,638.85
Step by Step Solution
- Step 1: Write the proportion equation
71,569,657.90 : 107,354,486.85 = 33,218,425.90 : x - Step 2: Convert to fraction form
71,569,657.90/107,354,486.85 = 33,218,425.90/x - Step 3: Cross multiply
71,569,657.90x = 107,354,486.85 × 33,218,425.90 - Step 4: Simplify right side
71,569,657.90x = 3,566,147,066,459,249 - Step 5: Solve for x
x = 3,566,147,066,459,249/71,569,657.90 - Step 6: Final answer
x = 49,827,638.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.