Finding the Fourth Proportional to 61,850,319.90, 85,351,102.96 and 34,350,019.62
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Solution
The fourth proportional to 61,850,319.90, 85,351,102.96 and 34,350,019.62 is: 47,401,728.33
Step by Step Solution
- Step 1: Write the proportion equation
61,850,319.90 : 85,351,102.96 = 34,350,019.62 : x - Step 2: Convert to fraction form
61,850,319.90/85,351,102.96 = 34,350,019.62/x - Step 3: Cross multiply
61,850,319.90x = 85,351,102.96 × 34,350,019.62 - Step 4: Simplify right side
61,850,319.90x = 2,931,812,061,264,639.50 - Step 5: Solve for x
x = 2,931,812,061,264,639.50/61,850,319.90 - Step 6: Final answer
x = 47,401,728.33
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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.