Finding the Fourth Proportional to 76,656,129.70, 114,984,194.55 and 76,656,129.70
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Solution
The fourth proportional to 76,656,129.70, 114,984,194.55 and 76,656,129.70 is: 114,984,194.55
Step by Step Solution
- Step 1: Write the proportion equation
76,656,129.70 : 114,984,194.55 = 76,656,129.70 : x - Step 2: Convert to fraction form
76,656,129.70/114,984,194.55 = 76,656,129.70/x - Step 3: Cross multiply
76,656,129.70x = 114,984,194.55 × 76,656,129.70 - Step 4: Simplify right side
76,656,129.70x = 8,814,243,330,874,833 - Step 5: Solve for x
x = 8,814,243,330,874,833/76,656,129.70 - Step 6: Final answer
x = 114,984,194.55
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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.