Finding the Fourth Proportional to 71,706,851.80, 107,560,277.70 and 65,728,140.55
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Solution
The fourth proportional to 71,706,851.80, 107,560,277.70 and 65,728,140.55 is: 98,592,210.83
Step by Step Solution
- Step 1: Write the proportion equation
71,706,851.80 : 107,560,277.70 = 65,728,140.55 : x - Step 2: Convert to fraction form
71,706,851.80/107,560,277.70 = 65,728,140.55/x - Step 3: Cross multiply
71,706,851.80x = 107,560,277.70 × 65,728,140.55 - Step 4: Simplify right side
71,706,851.80x = 7,069,737,050,262,631 - Step 5: Solve for x
x = 7,069,737,050,262,631/71,706,851.80 - Step 6: Final answer
x = 98,592,210.83
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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.