Finding the Fourth Proportional to 65,101,781.61, 97,597,751.99 and 53,587,817.10
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Solution
The fourth proportional to 65,101,781.61, 97,597,751.99 and 53,587,817.10 is: 80,336,518.50
Step by Step Solution
- Step 1: Write the proportion equation
65,101,781.61 : 97,597,751.99 = 53,587,817.10 : x - Step 2: Convert to fraction form
65,101,781.61/97,597,751.99 = 53,587,817.10/x - Step 3: Cross multiply
65,101,781.61x = 97,597,751.99 × 53,587,817.10 - Step 4: Simplify right side
65,101,781.61x = 5,230,050,482,743,342 - Step 5: Solve for x
x = 5,230,050,482,743,342/65,101,781.61 - Step 6: Final answer
x = 80,336,518.50
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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.