Finding the Fourth Proportional to 76,443,630.80, 107,323,414 and 76,443,630.80
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Solution
The fourth proportional to 76,443,630.80, 107,323,414 and 76,443,630.80 is: 107,323,414
Step by Step Solution
- Step 1: Write the proportion equation
76,443,630.80 : 107,323,414 = 76,443,630.80 : x - Step 2: Convert to fraction form
76,443,630.80/107,323,414 = 76,443,630.80/x - Step 3: Cross multiply
76,443,630.80x = 107,323,414 × 76,443,630.80 - Step 4: Simplify right side
76,443,630.80x = 8,204,191,436,011,551 - Step 5: Solve for x
x = 8,204,191,436,011,551/76,443,630.80 - Step 6: Final answer
x = 107,323,414
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.