Finding the Fourth Proportional to 122,127,415.20, 183,489,721.20 and 91,894,327.20
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Solution
The fourth proportional to 122,127,415.20, 183,489,721.20 and 91,894,327.20 is: 138,066,170.07
Step by Step Solution
- Step 1: Write the proportion equation
122,127,415.20 : 183,489,721.20 = 91,894,327.20 : x - Step 2: Convert to fraction form
122,127,415.20/183,489,721.20 = 91,894,327.20/x - Step 3: Cross multiply
122,127,415.20x = 183,489,721.20 × 91,894,327.20 - Step 4: Simplify right side
122,127,415.20x = 16,861,664,477,789,576 - Step 5: Solve for x
x = 16,861,664,477,789,576/122,127,415.20 - Step 6: Final answer
x = 138,066,170.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.